1. From the Emory Clinical Cardiovascular Research Institute (H.M.K., M.H., H.A., M.T., A.S.-T., M.A., K.P., K.M., L.S.S., V.V., A.A.Q.), Rollins School of Public Health, Emory University School of Medicine (Y.-A.K., V.V., T.L.), and Predictive Health Institute (G.M.), Emory University, Atlanta, GA; Cardiovascular Research Institute, Morehouse School of Medicine, Atlanta, GA (P.P., H.T.); and National Heart, Lung, and Blood Institute, Bethesda, MD (G.H.G.).