1. From the Department of Medicine (Cardiology), Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, NY (C.G.-Q., M.C., A.B., P.K., D.-W.L., A.S., O.F., M.D., A.S., N.G.F.); and Department of Medicine, Baylor College of Medicine, Houston, TX (C.G.-Q., A.B., M.D., N.G.F.).