1. Cardiovascular Research Center, Massachusetts General Hospital, Boston
2. Department of Cardiology, University of Michigan, Ann Arbor
3. Department of Statistics, Boston University, Boston, Massachusetts
4. Department of Mathematics and Statistics, Boston University, Boston, Massachusetts
5. University of Massachusetts, Worcester
6. Framingham Heart Study, Framingham, Massachusetts7Section of Gastroenterology, Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
7. Framingham Heart Study, Framingham, Massachusetts8Merck Research Laboratories, Boston, Massachusetts
8. Framingham Heart Study, Framingham, Massachusetts9Cardiology and Preventive Medicine and Epidemiology Sections, Boston University School of Medicine, and Department of Epidemiology, Boston University School of Public Health, Boston, Massachusetts
9. Framingham Heart Study, Framingham, Massachusetts
10. Cardiology Section, Department of Medicine, Boston VA Healthcare, Boston, Massachusetts11Associate Editor, JAMA Cardiology
11. Department of Radiology, Massachusetts General Hospital, Boston