1. From the Dipartimento Cardiovascolare, Policlinico S. Orsola, Bologna, Italy (T.P., D.D.R., A.M.); Weill Cornell Medical College, New York Methodist Hospital, New York, NY (S.J.B.); The Cardiovascular Institute, Mount Sinai Medical Center, New York, NY (R.M., G.D.); Cardiovascular Department, Columbia University Medical Center, New York, NY (P.G., K.X., G.W.S.); the Cardiovascular Research Foundation, New York, NY (P.G., K.X., G.W.S.); and Hôpital du Sacré-Coeur de Montréal, Université de Montréal,...