[1] ASST Papa Giovanni XXIII, Dipartimento Cardiovasc, Piazza OMS 1, I-24127 Bergamo, Italy
[2] Univ Florida, Coll Med Jacksonville, Jacksonville, FL USA
[3] Univ Florida, Coll Med Jacksonville, Div Cardiol, Jacksonville, FL USA
[4] Univ Catania, Osped Ferrarotto, Dipartimento Cardiol, I-95124 Catania, Italy
[5] UOC Cardiol Clin I, Ist Clin Humanitas, Rozzano, MI, Italy
[6] Humanitas Res Hosp, Dipartimento Cardiovasc, Milan, Italy
[7] Univ Milan, IRCCS, Ctr Cardiol Monzino, Dipartimento Sci Cardiovasc, Milan, Italy
[8] Azienda Osped Brotzu, SSD Ctr Valutaz & Consulenza Cardiol, Cagliari, Italy
[9] USL Toscana Sudest, UO Emodinam, Osped Misericordia, Grosseto, Italy
[10] ASST Niguarda Grande Osped Metropolitano, Dipartimento Cardiovasc, Milan, Italy
[11] Ente Osped Osped Galliera, Div Cardiol, Genoa, Italy
[12] Fdn IRCCS Policlin San Matteo, SC Cardiol, Pavia, Italy
[13] IRCCS, Arcispedale S Maria Nuova, SC Cardiol, Reggio Emilia, Italy
[14] Univ Padua, Dipartimento Sci Cardiache Torac & Vasc, I-35100 Padua, Italy
[15] Osped A Manzoni, Dipartimento Cardiovasc, Lecce, Italy