1. Geriatric Unit, Department of Medical Sciences, University of Turin, Hospital Città della Salute e della Scienza di Torino, 10126 Turin, Italy
2. Department of Experimental and Clinical Medicine, University of Florence, Largo G. Brambilla 3, 50134 Florence, Italy
3. Cardiology Department, Grande Ospedale Metropolitano di Reggio, 89124 Reggio Calabria, Italy
4. UniCamillus University, 00131 Rome, Italy
5. Cardiology ASP, 91100 Trapani, Italy
6. Department for Cardiac, Thoracic and Vascular Diseases, Fondazione IRCCS San Gerardo dei Tintori, 20900 Monza, Italy
7. UOC Santo Spirito-Nuova Regina Margherita-ASL Rome 1, 00153 Rome, Italy
8. S.C. Cardiologia-UTIC, Ospedali di Città di Castello e di Gubbio-Gualdo Tadino, AUSL Umbria 1, 06127 Perugia, Italy
9. Division of Clinical Cardiology, A.O.R.N. ‘Sant’Anna e San Sebastiano’, 81100 Caserta, Italy
10. Clinical and Rehabilitation Cardiology Unit, San Filippo Neri Hospital, 00135 Rome, Italy
11. Cardiology Department, Miulli Hospital, Acquaviva delle Fonti, 70021 Bari, Italy
12. Cardiology Department, Garibaldi-Nesima Hospital, 95122 Catania, Italy
13. Cardiovascular Department “A. De Gasperis”, ASST Niguarda Hospital, 20162 Milano, Italy
14. Department of Cardiology, Mauriziano Hospital, 10128 Turin, Italy