1. Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, GA
2. Department of Epidemiology, Rollins School of Public Health Emory University, Atlanta, GA
3. Atlanta VA Medical Center, Decatur, GA
4. Department of Biostatistics and Bioinformatics, Rollins School of Public Health Emory University, Atlanta, GA
5. Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA
6. Department of Epidemiology, University of Florida College of Medicine, Gainesville, FL
7. Mazankowski Alberta Heart Institute University of Alberta, Edmonton, Alberta, Canada