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Bopp, Matthias; Spoerri, Adrian; Zwahlen, Marcel; Gutzwiller, Felix; Paccaud, Fred; Braun-Fahrländer, Charlotte; Rougemont, André; Egger, Matthias (2009). Cohort Profile: the Swiss National Cohort--a longitudinal study of 6.8 million people. International journal of epidemiology, 38(2), pp. 379-84. Oxford: Oxford University Press 10.1093/ije/dyn042
