1. Cardiology Section, F. Perinei Hospital, Bari, Italy
2. Department of Emergency and Organ Transplantation, Section of Cardiovascular Diseases, University of Bari, Bari, Italy
3. Department of Medical and Surgical Sciences, Cardiology Unit, University of Foggia, Foggia, Italy
4. Ospedale Generale Regionale “F. Miulli”, Acquaviva delle Fonti, Bari, Italy
5. Department of Emergency and Organ Transplantation, Cardiac Surgery Section, University of Bari, Bari, Italy
6. Cardiology Section, S. Paolo Hospital, Bari, Italy