1. Veterans Administration Tennessee Valley Healthcare System, Nashville, Tennessee
2. Division of General Internal Medicine and Public Health, Vanderbilt University Medical Center, Nashville, Tennessee
3. Diabetes Research and Training Center, Vanderbilt University Medical Center, Nashville, Tennessee
4. Vanderbilt Epidemiology Center, Vanderbilt University Medical Center, Nashville, Tennessee
5. Biostatistics, Vanderbilt University Medical Center, Nashville, Tennessee
6. Preventive Medicine, Vanderbilt University Medical Center, Nashville, Tennessee