1. Section of Children's Health Services Research, Department of Pediatrics, Indiana University School of Medicine, Indianapolis, Indiana.
2. Obesity Prevention Program, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Massachusetts.
3. Division of General Academic Pediatrics, Department of Pediatrics, Massachusetts General Hospital for Children, Boston, Massachusetts.
4. Connors Center for Women's Health and Gender Biology, Brigham and Women's Hospital, Boston, Massachusetts.
5. Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts.
6. Department of Pediatrics, Kravis Children's Hospital, Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, New York.