1. School of Cardiology University of Bari “A. Moro” Bari Italy
2. Department of Emergency and Organ Transplantation, Nephrology, Dialysis and Transplantation Unit University of Bari “A. Moro” Bari Italy
3. Cardiology Unit Sarcone Hospital Terlizzi Italy
4. Cardiology Unit, Department of Medical and Surgical Science University of Foggia Foggia Italy