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Giurgiu, Marco; Kolb, Simon; Nigg, Carina; Burchartz, Alexander; Timm, Irina; Becker, Marlissa; Rulf, Ellen; Doster, Ann-Kathrin; Koch, Elena; Bussmann, Johannes B J; Nigg, Claudio; Ebner-Priemer, Ulrich W; Woll, Alexander (2022). Assessment of 24-hour physical behaviour in children and adolescents via wearables: a systematic review of free-living validation studies. BMJ open sport & exercise medicine, 8(2), e001267. BMJ Publishing Group 10.1136/bmjsem-2021-001267
