1. From the Department of Medicine, University of Connecticut School of Medicine and St. Vincent’s Medical Center, Bridgeport (G.C.R., S.T.); Department of Family Medicine, University of Iowa Hospital and Clinics, Iowa City (M.E.E.); Department of Medicine, Cardiovascular Institute, University of Medicine and Dentistry of New Jersey-Robert Wood Johnson Medical School, New Brunswick (J.B.K.); and Department of Medicine and Pharmacology, Virginia Commonwealth University, Richmond (D.A.S.).