[1] Big Metropolitan Hosp, Cardiol Dept, I-89129 Reggio Di Calabria, Italy
[2] S Antonio Abate Hosp, Cardiol Dept, I-54027 Trapani, Italy
[3] Osped Mauriziano Umberto I Hosp, Cardiol Dept, I-10128 Turin, Italy
[4] San Filippo Neri Hosp, Clin & Rehabil Cardiol Dept, ASL Roma 1, I-00100 Rome, Italy
[5] Cannizzaro Hosp, Div Cardiol, I-95121 Catania, Italy
[6] G Mazzini Hosp, Italy Cardiol Dept, I-64100 Teramo, Italy
[7] Univ Ancona, Dept Cardiovasc Sci, Div Cardiol, I-60126 Ancona, Italy
[8] Humanitas Gavazzeni, Rehabil Cardiol Dept, I-24125 Bergamo, Italy
[9] Federico II Univ Naples, Dept Translat Med Sci, I-80138 Naples, Italy
[10] Annunziata Hosp Cosenza, Cardiol Div, I-87100 Cosenza, Italy
[11] Garibaldi Nesima Hosp, Cardiol Complex Unit, I-95122 Catania, Italy
[12] St Anna & San Sebastiano Hosp, Div Clin Cardiol, I-81100 Caserta, Italy
[13] Maastricht Univ, Cardio Thorac Dept, NL-6202 AZ Maastricht, Netherlands
[14] Heart Care Fdn, I-50121 Florence, Italy