1. Division of Epidemiology and Community Health, School of Public Health, University of Minnesota
2. Center for Health Promotion, Health Promotion and Chronic Disease Division, Minnesota Department of Health, St. Paul
3. Cardiovascular Division, University of Minnesota Medical School
4. Epidemiological Cardiology Research Center (EPICARE), Department of Epidemiology and Prevention, and Department of Internal Medicine (Cardiology Section), Wake Forest School of Medicine
5. Department of Epidemiology, University of North Carolina at Chapel Hill