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Mugglin, Catrina (2020). From acute to chronic - HIV care in the era of widely, available antiretroviral therapy in low resource settings. (Unpublished). (Dissertation, University of Bern, Faculty of Medicine, the Faculty of Science and the Vetsuisse Faculty)
Mugglin, Catrina; Haas, Andreas D; van Oosterhout, Joep J; Msukwa, Malango; Tenthani, Lyson; Estill, Janne; Egger, Matthias; Keiser, Olivia (2019). Long-term retention on antiretroviral therapy among infants, children, adolescents and adults in Malawi: A cohort study. PLoS ONE, 14(11), e0224837. Public Library of Science 10.1371/journal.pone.0224837
Phiri, Nozgechi; Haas, Andreas D; Msukwa, Malango T; Tenthani, Lyson; Keiser, Olivia; Tal, Kali (2018). "I found that I was well and strong": Women's motivations for remaining on ART under Option B+ in Malawi. PLoS ONE, 13(6), e0197854. Public Library of Science 10.1371/journal.pone.0197854
Estill, Janne; Kerr, Cliff C; Blaser, Nello; Salazar-Vizcaya, Luisa; Tenthani, Lyson; Wilson, David P; Keiser, Olivia (2018). The Effect of Monitoring Viral Load and Tracing Patients Lost to Follow-up on the Course of the HIV Epidemic in Malawi: A Mathematical Model. Open Forum Infectious Diseases, 5(5), ofy092. Oxford University Press 10.1093/ofid/ofy092
Tenthani, Lyson; van Oosterhout, Joep J; Haas, Andreas D; Msukwa, Malango; Phiri, Nozgechi; Chimbwandira, Frank; Tal, Kali; Aebi-Popp, Karoline; Estill, Janne; Keiser, Olivia (2018). Patterns of caesarean section in HIV infected and non-infected women in Malawi: is caesarean section used for PMTCT? BMC pregnancy and childbirth, 18(1), p. 95. BioMed Central 10.1186/s12884-018-1722-4
Kelly, Sherrie L; Martin-Hughes, Rowan; Stuart, Robyn M; Yap, Xiao F; Kedziora, David J; Grantham, Kelsey L; Hussain, S Azfar; Reporter, Iyanoosh; Shattock, Andrew J; Grobicki, Laura; Haghparast-Bidgoli, Hassan; Skordis-Worrall, Jolene; Baranczuk, Z; Keiser, O; Estill, J; Petravic, Janka; Gray, Richard T; Benedikt, Clemens J; Fraser, Nicole; Gorgens, Marelize; ... (2018). The global Optima HIV allocative efficiency model: targeting resources in efforts to end AIDS. The Lancet HIV, 5(4), e190-e198. Elsevier 10.1016/S2352-3018(18)30024-9
Keiser, O; Giudici, F; Müllhaupt, B; Junker, C; Dufour, J-F; Moradpour, D; Bruggmann, P; Terziroli, B; Semela, D; Brezzi, M; Bertisch, B; Estill, J; Negro, F; Spoerri, A (2018). Trends in hepatitis C-related mortality in Switzerland. Journal of viral hepatitis, 25(2), pp. 152-160. Blackwell Science 10.1111/jvh.12803
Chimbetete, Cleophas; Katzenstein, David; Shamu, Tinei; Spoerri, Adrian; Estill, Janne; Egger, Matthias; Keiser, Olivia (2018). HIV-1 Drug Resistance and Third-Line Therapy Outcomes in Patients Failing Second-Line Therapy in Zimbabwe. Open Forum Infectious Diseases, 5(2), ofy005. Oxford University Press 10.1093/ofid/ofy005
Salazar-Vizcaya, Luisa; Kouyos, Roger D; Fehr, Jan; Braun, Dominique; Estill, Janne Anton Markus; Bernasconi, Enos; Delaloye, Julie; Stöckle, Marcel; Schmid, Patrick; Rougemont, Mathieu; Wandeler, Gilles; Günthard, Huldrych F; Keiser, Olivia; Rauch, Andri (2018). On the potential of a short-term intensive intervention to interrupt HCV transmission in HIV-positive men who have sex with men: a mathematical modelling study. Journal of viral hepatitis, 25(1), pp. 10-18. Blackwell Science 10.1111/jvh.12752
Scott, Nick; Stoové, Mark; Wilson, David P; Keiser, Olivia; El-Hayek, Carol; Doyle, Joseph; Hellard, Margaret (2018). Eliminating hepatitis C virus as a public health threat among HIV-positive men who have sex with men: a multi-modelling approach to understand differences in sexual risk behaviour. Journal of the International AIDS Society, 21(1), e25059. BioMed Central 10.1002/jia2.25059
Stuart, Robyn M; Kerr, Cliff C; Haghparast-Bidgoli, Hassan; Estill, Janne; Grobicki, Laura; Baranczuk, Zofia; Prieto, Lorena; Montañez, Vilma; Reporter, Iyanoosh; Gray, Richard T; Skordis-Worrall, Jolene; Keiser, Olivia; Cheikh, Nejma; Boonto, Krittayawan; Osornprasop, Sutayut; Lavadenz, Fernando; Benedikt, Clemens J; Martin-Hughes, Rowan; Hussain, S Azfar; Kelly, Sherrie L; ... (2017). Getting it right when budgets are tight: Using optimal expansion pathways to prioritize responses to concentrated and mixed HIV epidemics. PLoS ONE, 12(10), e0185077. Public Library of Science 10.1371/journal.pone.0185077
Hofer, Cristina Barroso; Egger, Matthias; Davies, Mary-Ann; Frota, Ana Cristina Cisne; de Oliveira, Ricardo Hugo; Abreu, Thalita Fernandes; Araújo, Lúcia Evangelista; Witthlin, Bernardo Bastos; Carvalho, Alice Weber; Cordeiro, Janaína Rivas; Lima, Giulia Pasqualini; Keiser, Olivia (2017). The cascade of care to prevent mother-to-child transmission in Rio de Janeiro, Brazil, 1996-2013: improving but still some way to go. Tropical medicine and international health TM&IH, 22(10), pp. 1266-1274. Blackwell Science 10.1111/tmi.12925
Haas, Andreas D; van Oosterhout, Joep J; Tenthani, Lyson; Jahn, Andreas; Zwahlen, Marcel; Msukwa, Malango T; Davies, Mary-Ann; Tal, Kali; Phiri, Nozgechi; Spoerri, Adrian; Chimbwandira, Frank; Egger, Matthias; Keiser, Olivia (2017). HIV transmission and retention in care among HIV-exposed children enrolled in Malawi's prevention of mother-to-child transmission programme. Journal of the International AIDS Society, 20(1), p. 21947. BioMed Central 10.7448/IAS.20.1.21947
Chimbetete, Cleophas; Mugglin, Catrina; Shamu, Tinei; Kalesan, Bindu; Bertisch, Barbara; Egger, Matthias; Keiser, Olivia (2017). New-onset type 2 diabetes mellitus among patients receiving HIV care at Newlands Clinic, Harare, Zimbabwe: retrospective cohort analysis. Tropical medicine and international health TM&IH, 22(7), pp. 839-845. Blackwell Science 10.1111/tmi.12896
Blaser, Nello; Bertisch, Barbara; Kouyos, Roger D; Calmy, Alexandra; Bucher, Heiner C; Cavassini, Matthias; Estill, Janne; Keiser, Olivia; Egger, Matthias; Study, The Swiss HIV Cohort (2017). Impact of screening and antiretroviral therapy on anal cancer incidence in HIV-positive MSM. AIDS, 31(13), pp. 1859-1866. Lippincott Williams & Wilkins 10.1097/QAD.0000000000001546
Johnson, Leigh F; Keiser, Olivia; Fox, Matthew P; Tanser, Frank; Cornell, Morna; Hoffmann, Chris J; Prozesky, Hans; Boulle, Andrew; Davies, Mary-Ann (2016). Life expectancy trends in adults on antiretroviral treatment in South Africa. AIDS, 30(16), pp. 2545-50. Lippincott Williams & Wilkins 10.1097/QAD.0000000000001197
Giudici, F; Bertisch, B; Negro, F; Stirnimann, G; Müllhaupt, B; Moradpour, D; Cerny, A; Dufour, Jean-François; Keiser, O (2016). Access to therapy and therapy outcomes in the Swiss Hepatitis C Cohort Study: a person-centred approach. Journal of viral hepatitis, 23(9), pp. 697-707. Blackwell Science 10.1111/jvh.12535
Salazar-Vizcaya, Luisa; Kouyos, Roger D; Zahnd, Cindy; Wandeler, Gilles; Battegay, Manuel; Darling, Katharine Elizabeth Ana; Bernasconi, Enos; Calmy, Alexandra; Vernazza, Pietro; Furrer, Hansjakob; Egger, Matthias; Keiser, Olivia; Rauch, Andri (2016). Hepatitis C virus transmission among HIV-infected men who have sex with men: Modeling the effect of behavioral and treatment interventions. Hepatology, 64(6), pp. 1856-1869. Wiley Interscience 10.1002/hep.28769
Haas, Andreas D; Msukwa, Malango T; Egger, Matthias; Tenthani, Lyson; Tweya, Hannock; Jahn, Andreas; Gadabu, Oliver J; Tal, Kali; Salazar Vizcaya, Luisa; Estill, Janne Anton Markus; Spoerri, Adrian; Phiri, Nozgechi; Chimbwandira, Frank; van Oosterhout, Joep J; Keiser, Olivia (2016). Adherence to Antiretroviral Therapy During and After Pregnancy: Cohort Study on Women Receiving Care in Malawi's "Option B+" programme. Clinical infectious diseases, 63(9), pp. 1227-35. Oxford University Press 10.1093/cid/ciw500
Zahnd, Cindy; Salazar-Vizcaya, Luisa; Dufour, Jean-François; Müllhaupt, Beat; Wandeler, Gilles; Kouyos, Roger; Estill, Janne; Bertisch, Barbara; Rauch, Andri; Keiser, Olivia (2016). Modelling the impact of deferring HCV treatment on liver-related complications in HIV coinfected men who have sex with men. Journal of hepatology, 65(1), pp. 26-32. Elsevier 10.1016/j.jhep.2016.02.030
Haas, Andreas D; Keiser, Olivia (2016). Raltegravir in second-line ART in resource-limited settings. The Lancet HIV, 3(6), e240-e241. Elsevier 10.1016/S2352-3018(16)30014-5
Bertisch, Barbara; Giudici, Fabio; Negro, Francesco; Moradpour, Darius; Müllhaupt, Beat; Moriggia, Alberto; Estill, Janne; Keiser, Olivia (2016). Characteristics of Foreign-Born Persons in the Swiss Hepatitis C Cohort Study: Implications for Screening Recommendations. PLoS ONE, 11(5), e0155464. Public Library of Science 10.1371/journal.pone.0155464
Llenas-García, Jara; Wikman-Jorgensen, Philip; Hobbins, Michael; Mussa, Manuel Aly; Ehmer, Jochen; Keiser, Olivia; Mbofana, Francisco; Wandeler, Gilles (2016). Retention in care of HIV-infected pregnant and lactating women starting art under Option B+ in rural Mozambique. Tropical medicine and international health TM&IH, 21(8), pp. 1003-1012. Blackwell Science 10.1111/tmi.12728
Morden, Erna; Technau, Karl-Günter; Giddy, Janet; Maxwell, Nicola; Keiser, Olivia; Davies, Mary-Ann (2016). Growth of HIV-Exposed Uninfected Infants in the First 6 Months of Life in South Africa: The IeDEA-SA Collaboration. PLoS ONE, 11(4), e0151762. Public Library of Science 10.1371/journal.pone.0151762
Clifford, Gary M; Franceschi, Silvia; Keiser, Olivia; Schöni-Affolter, Franziska; Lise, Mauro; Dehler, Silvia; Levi, Fabio; Mousavi, Mohsen; Bouchardy, Christine; Wolfensberger, Aline; Darling, Katharine E; Stähelin, Cornelia Johanna; Bertisch, Barbara; Kuenzli, Esther; Bernasconi, Enos; Pawlita, Michael; Egger, Matthias (2016). Immunodeficiency and the risk of cervical intra-epithelial neoplasia 2/3 and cervical cancer: A nested case-control study in the Swiss HIV Cohort Study. International journal of cancer, 138(7), pp. 1732-40. Wiley-Blackwell 10.1002/ijc.29913
Tweya, Hannock; Keiser, Olivia; Haas, Andreas D; Tenthani, Lyson Nemoni; Phiri, Sam; Egger, Matthias; Estill, Janne (2016). Comparative cost-effectiveness of Option B+ for prevention of mother-to-child transmission of HIV in Malawi. AIDS, 30(6), pp. 953-962. Lippincott Williams & Wilkins 10.1097/QAD.0000000000001009
Kalesan, Bindu; Mobily, Matthew E; Keiser, Olivia; Fagan, Jeffrey A; Galea, Sandro (2016). Firearm legislation and firearm mortality in the USA: a cross-sectional, state-level study. Lancet, 387(10030), pp. 1847-1855. Elsevier 10.1016/S0140-6736(15)01026-0
Haas, Andreas D; Tenthani, Lyson; Msukwa, Malango T; Tal, Kali; Jahn, Andreas; Gadabu, Oliver J; Spoerri, Adrian; Chimbwandira, Frank; van Oosterhout, Joep J; Keiser, Olivia (2016). Retention in care during the first 3 years of antiretroviral therapy for women in Malawi's option B+ programme: an observational cohort study. The Lancet HIV, 3(4), e175-e182. Elsevier 10.1016/S2352-3018(16)00008-4
Tweya, Hannock; Feldacker, Caryl; Gadabu, Oliver Jintha; Ng'ambi, Wingston; Mumba, Soyapi L; Phiri, Dave; Kamvazina, Luke; Mwakilama, Shawo; Kanyerere, Henry; Keiser, Olivia; Mwafilaso, Johnbosco; Kamba, Chancy; Egger, Matthias; Jahn, Andreas; Simwaka, Bertha; Phiri, Sam (2016). Developing a point-of-care electronic medical record system for TB/HIV co-infected patients: experiences from Lighthouse Trust, Lilongwe, Malawi. BMC research notes, 9(1), p. 146. Biomed Central 10.1186/s13104-016-1943-4
Estill, Janne Anton Markus; Ford, Nathan; Salazar-Vizcaya, Luisa; Haas, Andreas D; Blaser, Nello; Habiyambere, Vincent; Keiser, Olivia (2016). The need for second-line antiretroviral therapy in adults in sub-Saharan Africa up to 2030: a mathematical modelling study. The Lancet HIV, 3(3), e132-e139. Elsevier 10.1016/S2352-3018(16)00016-3
Blaser, Nello; Zahnd, Cindy; Hermans, Sabine; Salazar-Vizcaya, Luisa; Estill, Janne; Morrow, Carl; Egger, Matthias; Keiser, Olivia; Wood, Robin (2016). Tuberculosis in Cape Town: An age-structured transmission model. Epidemics, 14, pp. 54-61. Elsevier 10.1016/j.epidem.2015.10.001
Hofer, Cristina Barroso; Keiser, Olivia; Zwahlen, Marcel; Lustosa, Carla Sepulveda; Frota, Ana Cristina Cisne; de Oliveira, Ricardo Hugo; Abreu, Thalita F; Carvalho, Alice Weber; Araujo, Lucia Evangelista; Egger, Matthias (2016). In Utero Exposure to Antiretroviral Drugs: Effect on Birth Weight and Growth Among HIV-exposed Uninfected Children in Brazil. Pediatric infectious disease journal, 35(1), pp. 71-77. Lippincott Williams & Wilkins 10.1097/INF.0000000000000926
Davies, Mary-Ann; Ford, Nathan; Rabie, Helena; Fatti, Geoffrey; Stinson, Kathryn; Giddy, Janet; Tanser, Frank; Technau, Karl-Günter; Sawry, Shobna; Eley, Brian; Wood, Robin; Mofenson, Lynne M; Keiser, Olivia; Boulle, Andrew (2015). Reducing CD4 Monitoring in Children on Antiretroviral Therapy With Virologic Suppression. Pediatric infectious disease journal, 34(12), pp. 1361-1364. Lippincott Williams & Wilkins 10.1097/INF.0000000000000912
Tenthani, Lyson; Haas, Andreas D; Egger, Matthias; Oosterhout, Joep J Van; Jahn, Andreas; Chimbwandira, Frank; Tal, Kali; Myer, Landon; Estill, Janne; Keiser, Olivia (2015). Brief Report: HIV Testing Among Pregnant Women Who Attend Antenatal Care in Malawi. Journal of acquired immune deficiency syndromes JAIDS, 69(5), pp. 610-614. Lippincott Williams & Wilkins 10.1097/QAI.0000000000000669
Keiser, Olivia; Blaser, Nello; Davies, Mary-Ann; Wessa, Patrick; Eley, Brian; Moultrie, Harry; Rabie, Helena; Technau, Karl; Ndirangu, James; Garone, Daniela; Giddy, Janet; Grimwood, Ashraf; Gsponer, Thomas; Egger, Matthias (2015). Growth in Virologically Suppressed HIV Positive Children on Antiretroviral Therapy: Individual and Population-Level References. The Pediatric infectious disease journal, 34(10), e254-9. Lippincott Williams & Wilkins 10.1097/INF.0000000000000801
Koller, Manuel; Fatti, Geoffrey; Chi, Benjamin H; Keiser, Olivia; Hoffmann, Christopher J; Wood, Robin; Prozesky, Hans; Stinson, Kathryn; Giddy, Janet; Mutevedzi, Portia; Fox, Matthew; Law, Matthew; Boulle, Andrew; Egger, Matthias (2015). Risk charts to guide targeted HIV-1 viral load monitoring of ART: development and validation in patients from resource-limited settings. Journal of acquired immune deficiency syndromes JAIDS, 70(3), e110-e119. Lippincott Williams & Wilkins 10.1097/QAI.0000000000000748
Haas, Andreas D.; Keiser, Olivia; Balestre, Eric; Brown, Steve; Bissagnene, Emmanuel; Chimbetete, Cleophas; Dabis, François; Davies, Mary-Ann; Hoffmann, Christopher J; Oyaro, Patrick; Parkes-Ratanshi, Rosalind; Reynolds, Steven J; Sikazwe, Izukanji; Wools-Kaloustian, Kara; Zannou, Djimon Marcel; Wandeler, Gilles; Egger, Matthias (2015). Monitoring and Switching of First-line Antiretroviral Therapy in sub-Saharan Africa: Collaborative Analysis of Adult Treatment Cohorts. The Lancet HIV, 2(7), e271-e278. Elsevier 10.1016/S2352-3018(15)00087-9
Blaser, Nello; Vizcaya Salazar, Luisa; Estill, Janne; Zahnd, Cindy; Kalesan, Bindu; Egger, Matthias; Gsponer, Thomas; Keiser, Olivia (2015). gems: An R Package for Simulating from Disease Progression Models. Journal of statistical software, 64(10), pp. 1-22. UCLA Statistics
Yotebieng, Marcel; Meyers, Tammy; Behets, Frieda; Davies, Mary-Ann; Keiser, Olivia; Ngonyani, Kapella Zacharia; Lyamuya, Rita E; Kariminia, Azar; Hansudewechakul, Rawiwan; Leroy, Valeriane; Koumakpai, Sikiratou; Newman, Jamie; Van Rie, Annelies (2015). Age-specific and sex-specific weight gain norms to monitor antiretroviral therapy in children in low-income and middle-income countries. AIDS, 29(1), pp. 101-109. Lippincott Williams & Wilkins 10.1097/QAD.0000000000000506
Wandeler, Gilles; Schlauri, Marion; Jaquier, Marie-Eve; Rohrbach, Janine; Metzner, Karin J; Fehr, Jan; Ambrosioni, Juan; Cavassini, Matthias; Stöckle, Marcel; Schmid, Patrick; Bernasconi, Enos; Keiser, Olivia; Salazar-Vizcaya, Luisa; Furrer, Hansjakob; Rauch, Andri (2015). Incident Hepatitis C Virus Infections in the Swiss HIV Cohort Study: Changes in Treatment Uptake and Outcomes Between 1991 and 2013. Open Forum Infectious Diseases, 2(1), ofv026. Oxford University Press 10.1093/ofid/ofv026
Estill, Janne Anton Markus; Salazar-Vizcaya, Luisa; Blaser, Nello; Egger, Matthias; Keiser, Olivia (2015). The Cost-Effectiveness of Monitoring Strategies for Antiretroviral Therapy of HIV Infected Patients in Resource-Limited Settings: Software Tool. PLoS ONE, 10(3), e0119299. Public Library of Science 10.1371/journal.pone.0119299
Rothenbühler, Martina; O'Sullivan, Crochan J.; Stortecky, Stefan; Stefanini, Giulio G.; Spitzer, Ernest; Estill, Janne; Shrestha, Nikesh R.; Keiser, Olivia; Jüni, Peter; Pilgrim, Thomas (2014). Active surveillance for rheumatic heart disease in endemic regions: a systematic review and meta-analysis of prevalence among children and adolescents. The Lancet Global Health, 2(12), e717-e726. Elsevier 10.1016/S2214-109X(14)70310-9
Johnson, Leigh F; Estill, Janne; Keiser, Olivia; Cornell, Morna; Moolla, Haroon; Schomaker, Michael; Grimsrud, Anna; Davies, Mary-Ann; Boulle, Andrew (2014). Do Increasing Rates of Loss to Follow-up in Antiretroviral Treatment Programs Imply Deteriorating Patient Retention? American journal of epidemiology, 180(12), pp. 1208-12. Oxford University Press 10.1093/aje/kwu295
Salazar-Vizcaya, Luisa; Keiser, Olivia; Technau, Karl; Davies, Mary-Ann; Haas, Andreas D; Blaser, Nello; Cox, Vivian; Eley, Brian; Rabie, Helena; Moultrie, Harry; Giddy, Janet; Wood, Robin; Egger, Matthias; Estill, Janne (2014). Viral load versus CD4⁺ monitoring and 5-year outcomes of antiretroviral therapy in HIV-positive children in Southern Africa: a cohort-based modelling study. AIDS, 28(16), pp. 2451-2460. Lippincott Williams & Wilkins 10.1097/QAD.0000000000000446
Boulle, Andrew; Schomaker, Michael; May, Margaret T; Hogg, Robert S; Shepherd, Bryan E; Monge, Susana; Keiser, Olivia; Lampe, Fiona C; Giddy, Janet; Ndirangu, James; Garone, Daniela; Fox, Matthew; Ingle, Suzanne M; Reiss, Peter; Dabis, Francois; Costagliola, Dominique; Castagna, Antonella; Ehren, Kathrin; Campbell, Colin; Gill, M John; ... (2014). Mortality in patients with HIV-1 infection starting antiretroviral therapy in South Africa, Europe, or North America: a collaborative analysis of prospective studies. PLoS medicine, 11(9), e1001718. Public Library of Science 10.1371/journal.pmed.1001718
Davies, Mary-Ann; May, Margaret; Bolton-Moore, Carolyn; Chimbetete, Cleophas; Eley, Brian; Garone, Daniela; Giddy, Janet; Moultrie, Harry; Ndirangu, James; Phiri, Sam; Rabie, Helena; Technau, Karl; Wood, Robin; Boulle, Andrew; Egger, Matthias; Keiser, Olivia (2014). Prognosis of Children with HIV-1 Infection Starting Antiretroviral Therapy in Southern Africa: A Collaborative Analysis of Treatment Programs. Pediatric infectious disease journal, 33(6), pp. 608-616. Lippincott Williams & Wilkins 10.1097/INF.0000000000000214
Avila, Dorita; Keiser, Olivia; Egger, Matthias; Kouyos, Roger; Böni, Jürg; Yerly, Sabine; Klimkait, Thomas; Vernazza, Pietro L; Aubert, Vincent; Rauch, Andri; Bonhoeffer, Sebastian; Günthard, Huldrych F; Stadler, Tanja; Spycher, Ben D (2014). Social Meets Molecular: Combining Phylogenetic and Latent Class Analyses to Understand HIV-1 Transmission in Switzerland. American journal of epidemiology, 179(12), pp. 1514-1525. Oxford University Press 10.1093/aje/kwu076
Blaser, Nello; Wettstein, Celina; Estill, Janne Anton Markus; Vizcaya, Luisa Salazar; Wandeler, Gilles; Egger, Matthias; Keiser, Olivia (2014). Impact of viral load and the duration of primary infection on HIV transmission. AIDS, 28(7), pp. 1021-1029. Lippincott Williams & Wilkins 10.1097/QAD.0000000000000135
Estill, Janne; Tweya, Hannock Mukoma; Egger, Matthias; Wandeler, Gilles; Feldacker, Caryl; Johnson, Leigh F.; Blaser, Nello; Vizcaya, Luisa Salazar; Phiri, Sam; Keiser, Olivia (2014). Tracing of patients lost to follow-up and HIV transmission: Mathematical modelling study based on two large ART programmes in Malawi. Journal of acquired immune deficiency syndromes JAIDS, 65(5), e179-e186. Lippincott Williams & Wilkins 10.1097/QAI.0000000000000075
Tenthani, Lyson; Haas, Andreas D; Tweya, Hannock; Jahn, Andreas; van Oosterhout, Joep J.; Chimbwandira, Frank; Chirwa, Zengani; Ng'ambi, Wingston; Bakali, Alan; Phiri, Sam; Myer, Landon; Valeri, Fabio; Zwahlen, Marcel; Wandeler, Gilles; Keiser, Olivia (2014). Retention in care under universal antiretroviral therapy for HIV-infected pregnant and breastfeeding women ('Option B+') in Malawi. AIDS, 28(4), pp. 589-98. Lippincott Williams & Wilkins 10.1097/QAD.0000000000000143
Braun, Julia; Held, Leonhard; Ledergerber, Bruno; Egger, M; Furrer, H; Keiser, O; Rauch, Andri; Schöni-Affolter, F; Swiss HIV Cohort Study, (2014). Accounting for baseline differences and measurement error in the analysis of change over time. Statistics in medicine, 33(1), pp. 2-16. Wiley-Blackwell 10.1002/sim.5910
Podlekareva, Daria N; Panteleev, Alexander M; Grint, Daniel; Post, Frank A; Miro, Jose M; Bruyand, Mathias; Furrer, Hansjakob; Obel, Niels; Girardi, Enrico; Vasilenko, Anna; Losso, Marcelo H; Arenas-Pinto, Alejandro; Caylá, Joan; Rakhmanova, Aza; Zeltina, Indra; Werlinrud, Anne Marie; Lundgren, Jens D; Mocroft, Amanda; Kirk, Ole; Egger, M; ... (2014). Short- and long-term mortality and causes of death in HIV/tuberculosis patients in Europe. European respiratory journal, 43(1), pp. 166-77. European Respiratory Society 10.1183/09031936.00138712
Avila, Dorita; Althoff, Keri N.; Mugglin, Catrina; Wools-Kaloustian, Kara; Koller, Manuel; Dabis, François; Nash, Denis; Gsponer, Thomas; Sungkanuparph, Somnuek; McGowan, Catherine; May, Margaret; Cooper, David; Chimbetete, Cleophas; Wolff, Marcelo; Collier, Ann; McManus, Hamish; Davies, Mary-Ann; Costagliola, Dominique; Crabtree-Ramirez, Brenda; Chaiwarith, Romanee; ... (2014). Immunodeficiency at the start of combination antiretroviral therapy in low-, middle-, and high-income countries. Journal of acquired immune deficiency syndromes JAIDS, 65(1), e8-16. Lippincott Williams & Wilkins 10.1097/QAI.0b013e3182a39979
Drescher, Sara M; von Wyl, Viktor; Yang, Wan-Lin; Böni, Jürg; Yerly, Sabine; Shah, Cyril; Aubert, Vincent; Klimkait, Thomas; Taffé, Patrick; Furrer, Hansjakob; Battegay, Manuel; Ambrosioni, Juan; Cavassini, Matthias; Bernasconi, Enos; Vernazza, Pietro L; Ledergerber, Bruno; Günthard, Huldrych F; Kouyos, Roger D; Egger, M; Keiser, O; ... (2014). Treatment-naive individuals are the major source of transmitted HIV-1 drug resistance in men who have sex with men in the Swiss HIV Cohort Study. Clinical infectious diseases, 58(2), pp. 285-94. Oxford University Press 10.1093/cid/cit694
Kouyos, Roger D; Rauch, Andri; Böni, Jürg; Yerly, Sabine; Shah, Cyril; Aubert, Vincent; Klimkait, Thomas; Kovari, Helen; Calmy, Alexandra; Cavassini, Matthias; Battegay, Manuel; Vernazza, Pietro L; Bernasconi, Enos; Ledergerber, Bruno; Günthard, Huldrych F; Egger, Matthias; Furrer, Hansjakob; Keiser, Olivia; Schöni-Affolter, Franziska and Swiss HIV Cohort, Study (2014). Clustering of HCV coinfections on HIV phylogeny indicates domestic and sexual transmission of HCV. International journal of epidemiology, 43(3), pp. 887-896. Oxford University Press 10.1093/ije/dyt276
Keebler, Daniel; Revill, Paul; Braithwaite, Scott; Phillips, Andrew; Blaser, Nello; Borquez, Annick; Cambiano, Valentina; Ciaranello, Andrea; Estill, Janne Anton Markus; Gray, Richard; Hill, Andrew; Keiser, Olivia; Kessler, Jason; Menzies, Nicolas A; Nucifora, Kimberly A; Vizcaya, Luisa Salazar; Walker, Simon; Welte, Alex; Easterbrook, Philippa; Doherty, Meg; ... (2014). Cost-effectiveness of different strategies to monitor adults on antiretroviral treatment: a combined analysis of three mathematical models. The Lancet Global Health, 2(1), e35-e43. Elsevier 10.1016/S2214-109X(13)70048-2
Mulenga, Lloyd; Musonda, Patrick; Mwango, Albert; Vinikoor, Michael J.; Davies, Mary-Ann; Mweemba, Aggrey; Calmy, Alexandra; Stringer, Jeffrey S.; Keiser, Olivia; Chi, Benjamin H.; Wandeler, Gilles (2014). Impact of Baseline Renal Function on Tenofovir-containing Antiretroviral Therapy Outcomes in Zambia. Clinical infectious diseases, 58(10), pp. 1473-1480. Oxford University Press 10.1093/cid/ciu117
Labhardt, Niklaus Daniel; Keiser, Olivia; Sello, Motlalepula; Lejone, Thabo Ishmael; Pfeiffer, Karolin; Davies, Mary-Ann; Egger, Matthias; Ehmer, Jochen; Wandeler, Gilles (2013). Outcomes of antiretroviral treatment programmes in rural Lesotho: health centres and hospitals compared. Journal of the International AIDS Society, 16(1), p. 18616. BioMed Central 10.7448/IAS.16.1.18616
Schomaker, Michael; Egger, Matthias; Ndirangu, James; Phiri, Sam; Moultrie, Harry; Technau, Karl; Cox, Vivian; Giddy, Janet; Chimbetete, Cleophas; Wood, Robin; Gsponer, Thomas; Bolton Moore, Carolyn; Rabie, Helena; Eley, Brian; Muhe, Lulu; Penazzato, Martina; Essajee, Shaffiq; Keiser, Olivia; Davies, Mary-Ann and IeDEA-SA, Collaboration (2013). When to start antiretroviral therapy in children aged 2-5 years: a collaborative causal modelling analysis of cohort studies from southern Africa. PLoS medicine, 10(11), e1001555. Public Library of Science 10.1371/journal.pmed.1001555
Bertisch, Barbara; Franceschi, Silvia; Lise, Mauro; Vernazza, Pietro; Keiser, Olivia; Schöni-Affolter, Franziska; Bouchardy, Christine; Dehler, Silvia; Levi, Fabio; Jundt, Gernot; Ess, Silvia; Pawlita, Michael; Kovari, Helen; Wandeler, Gilles; Calmy, Alexandra; Cavassini, Matthias; Stöckle, Marcel; Clifford, Gary (2013). Risk factors for anal cancer in persons infected with HIV: a nested case-control study in the Swiss HIV Cohort Study. American journal of epidemiology, 178(6), pp. 877-884. Oxford University Press 10.1093/aje/kwt153
Wandeler, Gilles; Gsponer, Thomas; Mulenga, Lloyd; Garone, Daniela; Wood, Robin; Maskew, Mhairi; Prozesky, Hans; Hoffmann, Christopher; Ehmer, Jochen; Dickinson, Diana; Davies, Mary-Ann; Egger, Matthias; Keiser, Olivia (2013). Zidovudine impairs immunological recovery on first-line antiretroviral therapy: collaborative analysis of cohort studies in southern Africa. AIDS, 27(14), pp. 2225-2232. Hagerstown, Md.: Lippincott Williams & Wilkins 10.1097/QAD.0b013e328362d887
Estill, Janne; Egger, Matthias; Blaser, Nello; Vizcaya, Luisa Salazar; Garone, Daniela; Wood, Robin; Campbell, Jennifer; Hallett, Timothy B.; Keiser, Olivia (2013). Cost-effectiveness of point-of-care viral load monitoring of antiretroviral therapy in resource-limited settings: mathematical modelling study. AIDS, 27(9), pp. 1483-1492. Lippincott Williams & Wilkins 10.1097/QAD.0b013e328360a4e5
Johnson, Leigh F; Mossong, Joel; Dorrington, Rob E; Schomaker, Michael; Hoffmann, Christopher J.; Keiser, Olivia; Fox, Matthew P.; Wood, Robin; Prozesky, Hans; Giddy, Janet; Garone, Daniela Belen; Cornell, Morna; Egger, Matthias; Boulle, Andrew (2013). Life expectancies of South African adults starting antiretroviral treatment: collaborative analysis of cohort studies. PLoS medicine, 10(4), e1001418. Public Library of Science 10.1371/journal.pmed.1001418
Estill, Janne; Egger, Matthias; Johnson, Leigh F.; Gsponer, Thomas; Wandeler, Gilles; Davies, Mary-Ann; Boulle, Andrew; Wood, Robin; Garone, Daniela; Stringer, Jeffrey S. A.; Hallett, Timothy B.; Keiser, Olivia (2013). Monitoring of antiretroviral therapy and mortality in HIV programmes in Malawi, South Africa and Zambia: mathematical modelling study. PLoS ONE, 8(2), e57611. Public Library of Science 10.1371/journal.pone.0057611
Mugglin, Catrina; Wandeler, Gilles; Estill, Janne; Egger, Matthias; Bender, Nicole; Davies, Mary-Ann; Keiser, Olivia (2013). Retention in care of HIV-infected children from HIV test to start of antiretroviral therapy: systematic review. PLoS ONE, 8(2), e56446. Public Library of Science 10.1371/journal.pone.0056446
IeDEA Paediatric, Working Group; Egger, Matthias; Graber, Claire; Kaeser, Fritz; Keiser, Olivia (2013). A survey of paediatric HIV programmatic and clinical management practices in Asia and sub-Saharan Africa--the International epidemiologic Databases to Evaluate AIDS (IeDEA). Journal of the International AIDS Society, 16(1), p. 17998. BioMed Central
Tweya, Hannock; Feldacker, Caryl; Estill, Janne Anton Markus; Jahn, Andreas; Ng'ambi, Wingston; Ben-Smith, Anne; Keiser, Olivia; Bokosi, Mphatso; Egger, Matthias; Speight, Colin; Gumulira, Joe; Phiri, Sam (2013). Are They Really Lost? "True" Status and Reasons for Treatment Discontinuation among HIV Infected Patients on Antiretroviral Therapy Considered Lost to Follow Up in Urban Malawi. PLoS ONE, 8(9), e75761. Lawrence, Kans.: Public Library of Science 10.1371/journal.pone.0075761
Tweya, Hannock; Feldacker, Caryl; Phiri, Sam; Ben-Smith, Anne; Fenner, Lukas; Jahn, Andreas; Kalulu, Mike; Weigel, Ralf; Kamba, Chancy; Banda, Rabecca; Egger, Matthias; Keiser, Olivia (2013). Comparison of treatment outcomes of new smear-positive pulmonary tuberculosis patients by HIV and antiretroviral status in a TB/HIV clinic, Malawi. PLoS ONE, 8(2), e56248. Public Library of Science 10.1371/journal.pone.0056248
Davies, Mary-Ann; Phiri, Sam; Wood, Robin; Wellington, Maureen; Cox, Vivian; Bolton-Moore, Carolyn; Timmerman, Venessa; Moultrie, Harry; Ndirangu, James; Rabie, Helena; Technau, Karl; Giddy, Janet; Maxwell, Nicola; Boulle, Andrew; Keiser, Olivia; Egger, Matthias; Eley, Brian; IeDEA Southern Africa, Steering Group (2013). Temporal trends in the characteristics of children at antiretroviral therapy initiation in southern Africa: the IeDEA-SA Collaboration. PLoS ONE, 8(12), e81037. Public Library of Science 10.1371/journal.pone.0081037
Fox, Matthew P; van Cutsem, Gilles; Giddy, Janet; Maskew, Mhairi; Keiser, Olivia; Prozesky, Hans; Wood, Robin; Hernán, Miguel A; Sterne, Jonathan A C; Egger, Matthias; Boulle, Andrew; for the IeDEA-SA collaboration, (2012). Rates and Predictors of Failure of First-line Antiretroviral Therapy and Switch to Second-line ART in South Africa. Journal of acquired immune deficiency syndromes JAIDS, 60(4), pp. 428-37. Philadelphia, Pa.: Lippincott Williams & Wilkins 10.1097/QAI.0b013e3182557785
Estill, Janne; Aubriere, Cindy; Egger, Matthias; Johnson, Leigh; Wood, Robin; Garone, Daniela; Gsponer, Thomas; Wandeler, Gilles; Boulle, Andrew; Davies, Mary-Ann; Hallett, Tim; Keiser, Olivia (2012). Viral load monitoring of antiretroviral therapy, cohort viral load and HIV transmission in Southern Africa: A mathematical modelling analysis. AIDS, 26(11), pp. 1403-1413. Hagerstown, Md.: Lippincott Williams & Wilkins 10.1097/QAD.0b013e3283536988
Clifford, G M; Lise, M; Franceschi, S; Egger, M; Bouchardy, C; Korol, D; Levi, F; Ess, S; Jundt, G; Wandeler, G; Fehr, J; Schmid, P; Battegay, M; Bernasconi, E; Cavassini, M; Calmy, A; Keiser, O; Schöni-Affolter, F; Swiss HIV Cohort Study, (2012). Lung cancer in the Swiss HIV Cohort Study: role of smoking, immunodeficiency and pulmonary infection. British journal of cancer, 106(3), pp. 447-452. Basingstoke: Nature Publishing Group 10.1038/bjc.2011.558
Weigel, Ralf; Estill, Janne; Egger, Matthias; Harries, Anthony D; Makombe, Simon; Tweya, Hannock; Jahn, Andreas; Keiser, Olivia (2012). Mortality and loss to follow-up in the first year of ART: Malawi national ART programme. AIDS, 26(3), pp. 365-73. Hagerstown, Md.: Lippincott Williams & Wilkins 10.1097/QAD.0b013e32834ed814
Gsponer, Thomas; Petersen, Maya; Egger, Matthias; Phiri, Sam; Maathuis, Marloes H; Boulle, Andrew; Musondad, Patrick; Tweya, Hannock; Peter, Karin; Chi, Benjamin H; Keiser, Olivia; IeDEA Southern Africa, (2012). The causal effect of switching to second-line ART in programmes without access to routine viral load monitoring. AIDS, 26(1), pp. 57-65. Hagerstown, Md.: Lippincott Williams & Wilkins 10.1097/QAD.0b013e32834e1b5f
Wandeler, Gilles; Keiser, Olivia; Pfeiffer, Karolin; Pestilli, Sabrina; Fritz, Christiane; Labhardt, Niklaus D; Mbofana, Franzisco; Mudyiradima, Robert; Emmel, Jan; Egger, Matthias; Ehmer, Jochen; SolidarMed ART program and IeDEA-Southern Africa, (2012). Outcomes of antiretroviral treatment programs in rural Southern Africa. Journal of acquired immune deficiency syndromes JAIDS, 59(2), e9-16. Philadelphia, Pa.: Lippincott Williams & Wilkins 10.1097/QAI.0b013e31823edb6a
Keiser, Olivia; Spycher, Ben; Rauch, Andri; Calmy, Alexandra; Cavassini, Matthias; Glass, Tracy R; Nicca, Dunja; Ledergerber, Bruno; Egger, Matthias; Swiss HIV, Cohort Study (2012). Outcomes of antiretroviral therapy in the Swiss HIV Cohort Study: latent class analysis. AIDS and behavior, 16(2), pp. 245-55. New York, N.Y.: Springer 10.1007/s10461-011-9971-5
Goetghebuer, Tessa; Le Chenadec, Jerome; Haelterman, Edwige; Galli, Luisa; Dollfus, Catherine; Thorne, Claire; Judd, Ali; Keiser, Olivia; Ramos, Jose Tomas; Levy, Jack; Warszawski, Josiane; European Infant Collaboration, Group (2012). Short- and long-term immunological and virological outcome in HIV-infected infants according to the age at antiretroviral treatment initiation. Clinical infectious diseases, 54(6), pp. 878-81. Cary, N.C.: Oxford University Press 10.1093/cid/cir950
Staehelin, Cornelia; Keiser, Olivia; Calmy, Alexandra; Weber, Rainer; Elzi, Luigia; Cavassini, Matthias; Schmid, Patrick; Bernasconi, Enos; Furrer, Hansjakob; Swiss HIV Cohort Study, (2012). Longer term clinical and virological outcome of sub-Saharan African participants on antiretroviral treatment in the Swiss HIV Cohort Study. Journal of acquired immune deficiency syndromes JAIDS, 59(1), pp. 79-85. Philadelphia, Pa.: Lippincott Williams & Wilkins 10.1097/QAI.0b013e318236be70
Mugglin, Catrina; Estill, Janne; Wandeler, Gilles; Bender, Nicole; Egger, Matthias; Gsponer, Thomas; Keiser, Olivia; for IeDEA Southern Africa, (2012). Loss to programme between HIV diagnosis and initiation of antiretroviral therapy in sub-Saharan Africa: systematic review and meta-analysis. Tropical medicine and international health TM&IH, 17(12), pp. 1509-1520. Oxford: Blackwell Science 10.1111/j.1365-3156.2012.03089.x
Wettstein, Celina; Mugglin, Catrina; Egger, Matthias; Blaser, Nello; Vizcaya, Luisa S; Estill, Janne; Bender, Nicole; Davies, Mary-Ann; Wandeler, Gilles; Keiser, Olivia; IeDEA Southern Africa Collaboration, (2012). Missed opportunities to prevent mother-to-child-transmission: systematic review and meta-analysis. AIDS, 26(18), pp. 2361-73. Hagerstown, Md.: Lippincott Williams & Wilkins 10.1097/QAD.0b013e328359ab0c
Gsponer, Thomas; Weigel, Ralf; Davies, Mary-Ann; Bolton, Carolyn; Moultrie, Harry; Vaz, Paula; Rabie, Helena; Technau, Karl; Ndirangu, James; Eley, Brian; Garone, Daniela; Wellington, Maureen; Giddy, Janet; Ehmer, Jochen; Egger, Matthias; Keiser, Olivia; IeDEA Southern Africa, (2012). Variability of growth in children starting antiretroviral treatment in southern Africa. Pediatrics, 130(4), e966-77. Elk Grove Village, Ill.: American Academy of Pediatrics 10.1542/peds.2011-3020
Davies, Mary-Ann; Boulle, Andrew; Technau, Karl; Eley, Brian; Moultrie, Harry; Rabie, Helena; Garone, Daniela; Giddy, Janet; Wood, Robin; Egger, Matthias; Keiser, Olivia; IeDEA, Southern Africa Collaboration (2012). The role of targeted viral load testing in diagnosing virological failure in children on antiretroviral therapy with immunological failure. Tropical medicine and international health TM&IH, 17(11), pp. 1386-1390. Oxford: Blackwell Science 10.1111/j.1365-3156.2012.03073.x
Wandeler, Gilles; Keiser, Olivia; Mulenga, Lloyd; Hoffmann, Christopher J; Wood, Robin; Chaweza, Thom; Brennan, Alana; Prozesky, Hans; Garone, Daniela; Giddy, Janet; Chimbetete, Cleophas; Boulle, Andrew; Egger, Matthias; IeDEA Southern Africa Collaboration, (2012). Tenofovir in second-line ART in Zambia and South Africa: collaborative analysis of cohort studies. Journal of acquired immune deficiency syndromes JAIDS, 61(1), pp. 41-8. Philadelphia, Pa.: Lippincott Williams & Wilkins 10.1097/QAI.0b013e3182632540
Feldacker, C; Tweya, H; Keiser, O; Weigel, R; Kalulu, M; Fenner, L; Egger, M; Manda, E; Mwafilaso, J B; Kamba, C; Phiri, S (2012). Characteristics of adults and children diagnosed with tuberculosis in Lilongwe, Malawi: findings from an integrated HIV/TB clinic. Tropical medicine and international health TM&IH, 17(9), pp. 1108-16. Oxford: Blackwell Science 10.1111/j.1365-3156.2012.03041.x
Rudin, C; Spaenhauer, A; Keiser, O; Rickenbach, M; Kind, C; Aebi-Popp, K; Brinkhof, Mwg (2011). Antiretroviral therapy during pregnancy and premature birth: analysis of Swiss data. HIV medicine, 12(4), pp. 228-235. Oxford: Blackwell Science 10.1111/j.1468-1293.2010.00876.x
Schöni-Affolter, Franziska; Keiser, Olivia; Mwango, Albert; Stringer, Jeffrey; Ledergerber, Bruno; Mulenga, Lloyd; Bucher, Heiner C.; Westfall, Andrew O.; Calmy, Alexandra; Boulle, Andrew; Chintu, Namwinga; Egger, Matthias; Chi, Benjamin H.; Swiss HIV, Cohort Study; IeDEA, Southern Africa (2011). Estimating loss to follow-up in HIV-infected patients on antiretroviral therapy: the effect of the competing risk of death in Zambia and Switzerland. PLoS ONE, 6(12), e27919. Lawrence, Kans.: Public Library of Science 10.1371/journal.pone.0027919
Schüpbach, Jörg; Bisset, Leslie R; Regenass, Stephan; Bürgisser, Philippe; Gorgievski, Meri; Steffen, Ingrid; Andreutti, Corinne; Martinetti, Gladys; Shah, Cyril; Yerly, Sabine; Klimkait, Thomas; Gebhardt, Martin; Schöni-Affolter, Franziska; Rickenbach, Martin; Keiser, O; Swiss HIV Cohort Study, (2011). High specificity of line-immunoassay based algorithms for recent HIV-1 infection independent of viral subtype and stage of disease. BMC infectious diseases, 11, p. 254. London: BioMed Central 10.1186/1471-2334-11-254
Davies, Mary-Ann; Boulle, Andrew; Eley, Brian; Moultrie, Harry; Technau, Karl; Rabie, Helena; van Cutsem, Gilles; Giddy, Janet; Wood, Robin; Egger, Matthias; Keiser, Olivia (2011). Accuracy of immunological criteria for identifying virological failure in children on antiretroviral therapy - The IeDEA Southern Africa Collaboration. Tropical medicine and international health TM&IH, 16(11), pp. 1367-1371. Oxford: Blackwell Science 10.1111/j.1365-3156.2011.02854.x
Keiser, Olivia; Chi, Benjamin H; Gsponer, Thomas; Boulle, Andrew; Orrell, Catherine; Phiri, Sam; Maxwell, Nicola; Maskew, Mhairi; Prozesky, Hans; Fox, Matthew P; Westfall, Andrew; Egger, Matthias (2011). Outcomes of antiretroviral treatment in programmes with and without routine viral load monitoring in Southern Africa. AIDS, 25(14), pp. 1761-1769. Hagerstown, Md.: Lippincott Williams & Wilkins 10.1097/QAD.0b013e328349822f
Davies, Mary-Ann; Moultrie, Harry; Eley, Brian; Rabie, Helena; Van Cutsem, Gilles; Giddy, Janet; Wood, Robin; Technau, Karl; Keiser, Olivia; Egger, Matthias; Boulle, Andrew (2011). Virologic failure and second-line antiretroviral therapy in children in South Africa--the IeDEA Southern Africa collaboration. Journal of acquired immune deficiency syndromes JAIDS, 56(3), pp. 270-278. Philadelphia, Pa.: Lippincott Williams & Wilkins 10.1097/QAI.0b013e3182060610
Wandeler, Gilles; Keiser, Olivia; Hirschel, Bernard; Günthard, Huldrych F; Bernasconi, Enos; Battegay, Manuel; Clerc, Olivier; Vernazza, Pietro L; Furrer, Hansjakob; Swiss HIV, Cohort Study (2011). A comparison of initial antiretroviral therapy in the Swiss HIV Cohort Study and the recommendations of the International AIDS Society-USA. PLoS ONE, 6(12), e27903. Lawrence, Kans.: Public Library of Science 10.1371/journal.pone.0027903
Keiser, Olivia; Egger, Matthias (2010). Authors' response: the importance of asking the right question. Tropical medicine and international health TM&IH, 15(3), pp. 382-384. Blackwell Science 10.1111/j.1365-3156.2009.02466.x
Keiser, Olivia; Spoerri, Adrian; Brinkhof, Martin W G; Hasse, Barbara; Gayet-Ageron, Angéle; Tissot, Frédéric; Christen, Anna; Battegay, Manuel; Schmid, Patrick; Bernasconi, Enos; Egger, Matthias (2010). Suicide in HIV-Infected Individuals and the General Population in Switzerland, 1988-2008. American journal of psychiatry, 167(2), pp. 143-150. Washington, D.C.: American Psychiatric Association 10.1176/appi.ajp.2009.09050651
Fenner, Lukas; Brinkhof, Martin W G; Keiser, Olivia; Weigel, Ralf; Cornell, Morna; Moultrie, Harry; Prozesky, Hans; Technau, Karl; Eley, Brian; Vaz, Paula; Pascoe, Margaret; Giddy, Janet; Van Cutsem, Gilles; Wood, Robin; Egger, Matthias; Davies, Mary-Ann (2010). Early mortality and loss to follow-up in HIV-infected children starting antiretroviral therapy in Southern Africa. Journal of acquired immune deficiency syndromes JAIDS, 54(5), pp. 524-532. Philadelphia, Pa.: Lippincott Williams & Wilkins 10.1097/QAI.0b013e3181e0c4cf
Weigel, Ralf; Phiri, Sam; Chiputula, Fred; Gumulira, Joe; Brinkhof, Martin; Gsponer, Thomas; Tweya, Hannock; Egger, Matthias; Keiser, Olivia (2010). Growth response to antiretroviral treatment in HIV-infected children: a cohort study from Lilongwe, Malawi. Tropical medicine and international health TM&IH, 15(8), pp. 934-944. Oxford: Blackwell Science 10.1111/j.1365-3156.2010.02561.x
Keiser, Olivia; Tweya, Hannock; Braitstein, Paula; Dabis, François; MacPhail, Patrick; Boulle, Andrew; Nash, Denis; Wood, Robin; Lüthi, Ruedi; Brinkhof, Martin W G; Schechter, Mauro; Egger, Matthias (2010). Mortality after failure of antiretroviral therapy in sub-Saharan Africa. Tropical medicine and international health TM&IH, 15(2), pp. 251-258. Oxford: Blackwell Science 10.1111/j.1365-3156.2009.02445.x
May, Margaret; Boulle, Andrew; Phiri, Sam; Messou, Eugene; Myer, Landon; Wood, Robin; Keiser, Olivia; Sterne, Jonathan A C; Dabis, Francois; Egger, Matthias (2010). Prognosis of patients with HIV-1 infection starting antiretroviral therapy in sub-Saharan Africa: a collaborative analysis of scale-up programmes. Lancet, 376(9739), pp. 449-457. London: Elsevier 10.1016/S0140-6736(10)60666-6
Keiser, Olivia; Egger, Matthias (2010). Authors' response: the importance of asking the right question. Tropical medicine and international health TM&IH, 15(3), pp. 382-4. Oxford: Blackwell Science
Rohrbach, Janine; Robinson, Nicola; Harcourt, Gillian; Hammond, Emma; Gaudieri, Silvana; Gorgievski, Meri; Telenti, Amalio; Keiser, Olivia; Günthard, Huldrych F; Hirschel, Bernhard; Hoffmann, Matthias; Bernasconi, Enos; Battegay, Manuel; Furrer, Hansjakob; Klenerman, Paul; Rauch, Andri (2010). Cellular immune responses to HCV core increase and HCV RNA levels decrease during successful antiretroviral therapy. Gut, 59(9), pp. 1252-1258. London: BMJ Publishing Group 10.1136/gut.2009.205971
Franceschi, S; Lise, M; Clifford, G M; Rickenbach, M; Levi, F; Maspoli, M; Bouchardy, C; Dehler, S; Jundt, G; Ess, S; Bordoni, A; Konzelmann, I; Frick, H; Dal Maso, L; Elzi, L; Furrer, H; Calmy, A; Cavassini, M; Ledergerber, B and Keiser, O (2010). Changing patterns of cancer incidence in the early- and late-HAART periods: the Swiss HIV Cohort Study. British journal of cancer, 103(3), pp. 416-422. Basingstoke: Nature Publishing Group 10.1038/sj.bjc.6605756
Aebi-Popp, Karoline; Lapaire, Olav; Glass, Tracy R; Vilén, Louise; Rudin, Christoph; Elzi, Luigia; Battegay, Mannel; Keiser, Olivia; de Tejada, Begona Martinez; Hoesli, Irene M (2010). Pregnancy and delivery outcomes of HIV infected women in Switzerland 2003-2008. Journal of perinatal medicine, 38(4), pp. 353-358. Berlin: Walter de Gruyter 10.1515/JPM.2010.052
Keiser, Olivia; Egger, Matthias (2010). A Decade of HAART: The Development and Global Impact of Highly Active Antiretroviral Therapy. Edited by José M. Zuninga, Alan Whiteside, Amin Ghaziani, and John G. Bartlett. New York: Oxford University Press, 2008. Clinical infectious diseases, 50(6), pp. 942-943. The University of Chicago Press 10.1086/650736
Bellini, C; Keiser, O; Chave, J-P; Evison, Jm; Fehr, J; Kaiser, L; Weber, R; Vernazza, P; Bernasconi, E; Telenti, A; Cavassini, M (2009). Liver enzyme elevation after lamivudine withdrawal in HIV-hepatitis B virus co-infected patients: the Swiss HIV Cohort Study. HIV medicine, 10(1), pp. 12-18. Oxford: Blackwell Science 10.1111/j.1468-1293.2008.00646.x
Keiser, Olivia; Keiser, O; Tweya, H; Boulle, A; Braitstein, P; Schechter, M; Brinkhof, Martin; Dabis, F; Tuboi, S; Sprinz, E; Pujades-Rodriguez, M; Calmy, A; Kumarasamy, N; Nash, D; Jahn, A; MacPhail, P; Lüthy, R; Wood, R; Egger, Matthias (2009). Switching to second-line antiretroviral therapy in resource-limited settings: comparison of programmes with and without viral load monitoring. AIDS, 23(14), pp. 1867-74. Hagerstown, Md.: Lippincott Williams & Wilkins 10.1097/QAD.0b013e32832e05b2
Davies, Mary-Ann; Keiser, Olivia; Technau, Karl; Eley, Brian; Rabie, Helena; van Cutsem, Gilles; Giddy, Janet; Wood, Robin; Boulle, Andrew; Egger, Matthias; Moultrie, Harry (2009). Outcomes of the South African National Antiretroviral Treatment Programme for children: the IeDEA Southern Africa collaboration. SAMJ. South African medical journal, 99(10), pp. 730-7. Cape Town: Medical Association of South Africa
Keiser, Olivia; MacPhail, Patrick; Boulle, Andrew; Wood, Robin; Schechter, Mauro; Dabis, François; Sprinz, Eduardo; Egger, Matthias (2009). Accuracy of WHO CD4 cell count criteria for virological failure of antiretroviral therapy. Tropical medicine and international health TM&IH, 14(10), pp. 1220-5. Oxford: Blackwell Science 10.1111/j.1365-3156.2009.02338.x
Davies, M-A; Egger, M; Keiser, O; Boulle, A (2009). Paediatric antiretroviral treatment programmes in sub-Saharan Africa: a review of published clinical studies. African journal of AIDS research, 8(3), pp. 329-38. Grahamstown, South Africa: NISC 10.2989/AJAR.2009.8.3.9.930
Forster, Mathieu; Bailey, Christopher; Brinkhof, Martin W G; Graber, Claire; Boulle, Andrew; Spohr, Mark; Balestre, Eric; May, Margaret; Keiser, Olivia; Jahn, Andreas; Egger, Matthias (2008). Electronic medical record systems, data quality and loss to follow-up: survey of antiretroviral therapy programmes in resource-limited settings. Bulletin of the World Health Organization, 86(12), pp. 939-47. Genève: World Health Organization 10.2471/BLT.07.049908
Brinkhof, Martin W G; Dabis, François; Myer, Landon; Bangsberg, David R; Boulle, Andrew; Nash, Denis; Schechter, Mauro; Laurent, Christian; Keiser, Olivia; May, Margaret; Sprinz, Eduardo; Egger, Matthias; Anglaret, Xavier (2008). Early loss of HIV-infected patients on potent antiretroviral therapy programmes in lower-income countries. Bulletin of the World Health Organization, 86(7), pp. 559-67. Genève: World Health Organization 10.2471/BLT.07.044248
Keiser, Olivia; Gayet-Ageron, Angèle; Rudin, Christoph; Brinkhof, Martin W G; Gremlich, Erika; Wunder, Dorothea; Drack, Gero; Hirschel, Bernard; de Tejada, Begoña Martinez (2008). Antiretroviral treatment during pregnancy. AIDS, 22(17), pp. 2323-30. Hagerstown, Md.: Lippincott Williams & Wilkins 10.1097/QAD.0b013e3283189bf1
Nash, Denis; Katyal, Monica; Brinkhof, Martin W G; Keiser, Olivia; May, Margaret; Hughes, Rachael; Dabis, Francois; Wood, Robin; Sprinz, Eduardo; Schechter, Mauro; Egger, Matthias (2008). Long-term immunologic response to antiretroviral therapy in low-income countries: a collaborative analysis of prospective studies. AIDS, 22(17), pp. 2291-302. Hagerstown, Md.: Lippincott Williams & Wilkins 10.1097/QAD.0b013e3283121ca9
Keiser, Olivia; Orrell, Catherine; Egger, Matthias; Wood, Robin; Brinkhof, Martin W G; Furrer, Hansjakob; van Cutsem, Gilles; Ledergerber, Bruno; Boulle, Andrew (2008). Public-health and individual approaches to antiretroviral therapy: township South Africa and Switzerland compared. PLoS medicine, 5(7), e148. San Francisco, Calif.: Public Library of Science 10.1371/journal.pmed.0050148
Keiser, Olivia; Anastos, Kathryn; Schechter, Mauro; Balestre, Eric; Myer, Landon; Boulle, Andrew; Bangsberg, David; Touré, Hapsatou; Braitstein, Paula; Sprinz, Eduardo; Nash, Denis; Hosseinipour, Mina; Dabis, François; May, Margaret; Brinkhof, Martin W G; Egger, Matthias (2008). Antiretroviral therapy in resource-limited settings 1996 to 2006: patient characteristics, treatment regimens and monitoring in sub-Saharan Africa, Asia and Latin America. Tropical medicine and international health TM&IH, 13(7), pp. 870-9. Oxford: Blackwell Science 10.1111/j.1365-3156.2008.02078.x
Keiser, Olivia; Egger, Matthias (2008). Reporting of observational studies in Antiviral Therapy: a case for STROBE? Antiviral therapy, 13(6), pp. 743-5. London: International Medical Press
Vo, Thi Tuyet Nhung; Ledergerber, Bruno; Keiser, Olivia; Hirschel, Bernard; Furrer, Hansjakob; Battegay, Manuel; Cavassini, Matthias; Bernasconi, Enos; Vernazza, Pietro; Weber, Rainer (2008). Durability and outcome of initial antiretroviral treatments received during 2000--2005 by patients in the Swiss HIV Cohort Study. Journal of infectious diseases, 197(12), pp. 1685-94. Cary, N.C.: The University of Chicago Press 10.1086/588141
Keiser, Olivia; Orrell, Catherine; Egger, Matthias; Wood, Robin; Brinkhof, Martin; Furrer, Hansjakob; van Cutsem, Gilles; Ledergerber, Bruno; Boulle, Andrew (2008). Correction: Public-Health and Individual Approaches to Antiretroviral Therapy: Township South Africa and Switzerland Compared. PLoS medicine, 5(9), e195. Public Library of Science 10.1371/journal.pmed.0050195
Bruggmann, P.; Falcato, L.; Dober, S.; Helbling, B.; Keiser, O.; Negro, F.; Meili, D. (2008). Active intravenous drug use during chronic hepatitis C therapy does not reduce sustained virological response rates in adherent patients. Journal of viral hepatitis, 15(10), pp. 747-752. Blackwell Science 10.1111/j.1365-2893.2008.01010.x
Keiser, Olivia; Fellay, Jacques; Opravil, Milos; Hirsch, Hans H; Hirschel, Bernard; Bernasconi, Enos; Vernazza, Pietro L; Rickenbach, Martin; Telenti, Amalio; Furrer, Hansjakob (2007). Adverse events to antiretrovirals in the Swiss HIV Cohort Study: effect on mortality and treatment modification. Antiviral therapy, 12(8), pp. 1157-64. London: International Medical Press
