| Affiliation: | 1. Department of Nutrition, Harvard School of Public Health, , Boston, Massachusetts, USA;2. Department of Epidemiology, Harvard School of Public Health, , Boston, Massachusetts, USA;3. Obesity Prevention Program, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, , Boston, Massachusetts, USA;4. Division of Sleep and Circadian Disorders, Department of Medicine, Brigham and Women's Hospital, , Boston, Massachusetts, USA;5. Division of Sleep and Circadian Disorders, Department of Neurology, Brigham and Women's Hospital, , Boston, Massachusetts, USA;6. Division of General Academic Pediatrics, Department of Pediatrics, Massachusetts General Hospital for Children, , Boston, Massachusetts, USA;7. Harvard Medical School, , Boston, Massachusetts, USA |
