1. Division of Endocrinology and Metabolism, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
2. National Heart, Lung, and Blood Institute's Framingham Heart Study, Framingham, MA
3. NHLBI Division of Intra‐mural research and the Center for Population Studies, Framingham, MA
4. Department of Biostatistics, Boston University School of Public Health, Boston, MA
5. Departments of Medicine and Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA