RT Journal Article SR Electronic T1 Short sleep duration is associated with increased BMI in adolescents over time JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP e5 OP e5 DO 10.1136/eb-2013-101436 VO 19 IS 1 A1 Christopher Magee A1 Jeong Kyu Lee YR 2014 UL http://ebm.bmj.com/content/19/1/e5.abstract AB