1. From the Division of Cardiology (K.N., J.A.C.L.), Department of Medicine, Johns Hopkins University, Baltimore, Md; the Department of Epidemiology (E.G., A.N.-A.), Johns Hopkins University Bloomberg School of Public Health and Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins Medical Institutions, Baltimore, Md; and the Division of Epidemiology (M.H.C.), Department of Family and Preventive Medicine, and Division of Cardiology, Department of Medicine, UCSD School of...