1. Emory Clinical Cardiovascular Research Institute, Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia
2. Rollins School of Public Health, Department of Epidemiology, Emory University, Atlanta, Georgia
3. Atlanta VA Medical Center, Decatur, Georgia
4. Rollins School of Public Health, Department of Biostatistics and Bioinformatics, Emory University, Atlanta, Georgia
5. Department of Epidemiology, College of Public Health and Health Professions, University of Florida, Gainesville
6. Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, Georgia
7. Department of Radiology, Emory University School of Medicine, Atlanta, Georgia