1. Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA.
2. University College London Institute of Child Health, London, United Kingdom.
3. Department of Pediatrics, Massachusetts General Hospital for Children, Boston, MA.
4. Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA.
5. Department of Community and Family Medicine, Duke University Medical Center and Duke Global Health Institute, Durham, NC.