1. National Heart, Lung, and Blood Institute Center for Population Studies, National Institutes of Health, Framingham, MA
2. Division of Endocrinology, Hypertension, and Metabolism, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
3. Framingham Heart Study, Framingham, MA
4. Department of Mathematics and Statistics, Boston University, Boston, MA
5. Department of Epidemiology, Boston University School of Public Health, Boston, MA
6. Section of Cardiology and Preventive Medicine, Department of Medicine, Boston University School of Medicine, Boston, MA
7. Section of General Internal Medicine, Department of Medicine, Boston University School of Medicine, Boston, MA