1 Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia2Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia3Division of Cardiology, Atlanta Veterans Affairs Medical.
2 Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia2Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia.