@articleDiethelm_Bolzenius_Cheng_Remer_Buyken_2011, title=Longitudinal associations between reported sleep duration in early childhood and the development of body mass index, fat mass index and fat free mass index until age 7, DOI=10.3109/17477166.2011.566338, journal=International Journal of Pediatric Obesity, author=Diethelm, Katharina and Bolzenius, Katja and Cheng, Guo and Remer, Thomas and Buyken, Anette, year=2011, pages=e114–e123