1. Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
2. Division of Epidemiology, Vanderbilt University, Nashville, Tennessee
3. Geriatric Research Education and Clinical Centers (GRECC), Veterans Affairs Tennessee Valley Healthcare System, Nashville, Tennessee
4. Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
5. Department of Biostatistics, Vanderbilt University Medical Center, Nashville, Tennessee
6. Sections of Preventive Medicine and Epidemiology and Cardiology, Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
7. Department of Epidemiology, Boston University School of Public Health, Boston, Massachusetts
8. Boston University and NHLBI Framingham Heart Study, Framingham, Massachusetts
9. Division of General Internal Medicine and Public Health, Vanderbilt University Medical Center, Nashville, Tennessee