1. Department of Nutrition, Harvard School of Public Health, Boston, Massachusetts
2. Channing Laboratory, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts
3. Department of Epidemiology, University of California Los Angeles School of Public Health, Los Angeles, California
4. Division of Endocrinology, Beth Israel Deaconess Medical Center, Boston, Massachusetts
5. Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts