1. From the Department of Medicine, Division of Cardiology (K.A.W., V.V.), Department of Epidemiology, Rollins School of Public Health (V.V.), Emory University School of Medicine, Atlanta, GA; Department of Public Health & Policy, Institute of Psychology, Health & Society, University of Liverpool, UK (M.O., S.C.); and Centers for Disease Control and Prevention, Atlanta, GA (E.S.F.).