1. From the Division of Cardiology (P.A.M., S.S.), Ospedale Niguarda, Milan; Department of Cardiology (A.R.), IRCCS Policlinico S. Matteo, Pavia; Division of Cardiology (A.L.), Ospedale di Bentivoglio, Bentivoglio; Division of Cardiology (A.V.), Ospedale Civile, Caserta; Division of Cardiology (R.F.), Azienda Ospedaliera “Maggiore della Carità,” Novara; Cardiovascular Department (C.C.), General Hospital, Treviso; Division of Cardiology (D.S.), Ospedale Agnelli, Pinerolo; Division of Cardiology (A.S.),...