1. From the Cardiology Division, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston (S.E., I.F.P., I.I., J.N.B., J.J.P.); Harvard Clinical Research Institute, Boston, MA (S.E.); Columbia University Medical Center/New York–Presbyterian Hospital and The Cardiovascular Research Foundation (T.M., I.H., S.K., M.B.L., A.J.K.); Department of Cardiovascular Medicine, Cleveland Clinic, OH (L.S.); Québec Heart and Lung Institute, Laval University, Québec, Canada (P.P.); Duke...