| Affiliation: | 1. Division of General Pediatrics, Department of Pediatrics, Massachusetts General Hospital for Children, , Boston, Massachusetts, USA;2. Obesity Prevention Program, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, , Boston, Massachusetts, USA;3. Department of Pediatrics, Harvard Vanguard Medical Associates, , Boston, Massachusetts, USA;4. Institute for Community Health, Department of Medicine, Cambridge Health Alliance, Harvard Medical School, , Cambridge, Massachusetts, USA;5. Section of General Internal Medicine, Veterans Affairs (VA) Boston Healthcare System, , Boston, Massachusetts, USA;6. Division of General Internal Medicine, Brigham and Women's Hospital, , Boston, Massachusetts, USA |
