1. National Heart, Lung, and Blood Institute's Framingham Heart Study , Framingham, MA
2. Division of General Internal Medicine
3. Department of Biostatistics , Boston University School of Public Health
4. Department of Mathematics and Statistics, Boston University
5. Data Coordinating Center , Boston University School of Public Health
6. Department of Cardiology , Boston University School of Medicine
7. Department of Epidemiology , Boston University School of Public Health
8. Department of Endocrinology, Diabetes, and Metabolism, Brigham and Women's Hospital and Harvard Medical School, Boston, MA