1. Department of Nutrition, Harvard T. H. Chan School of Public Health, Boston, Massachusetts2Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
2. The Dartmouth Institute for Health Policy and Clinical Practice, Dartmouth College, Lebanon, New Hampshire
3. Epidemiology Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland
4. Department of Nutrition, Harvard T. H. Chan School of Public Health, Boston, Massachusetts5Department of Population Medicine, Harvard Medical School/Harvard Pilgrim Health Care Institute, Boston, Massachusetts
5. Department of Epidemiology, Brown University School of Public Health, Providence, Rhode Island