1. From the Department of Medicine (C.R., S.H., M.R.D.T.), Department of Biostatistics (Z.J.), Department of Neurology (M.S.V.E.), Columbia University, New York, NY; Unit of Cardiovascular Imaging, Cardiology, Azienda Ospedaliera di Rilievo Nazionale e di Alta Specialità “San Giuseppe Moscati,” Avellino, Italy (V.P.); Departments of Neurology (T.R., R.L.S.) and Epidemiology and Human Genetics (R.L.S.), University of Miami Leonard M. Miller School of Medicine, Miami, FL.