1. Department of Cardiology, Catholic University of Rome, Via dei Gelsi 15, 71043 Manfredonia, Italy
2. Cardiology Unit, “San Camillo de Lellis” Hospital, Foggia, Manfredonia, Italy
3. Emergency Unit, “San Camillo de Lellis” Hospital, Foggia, Manfredonia, Italy
4. Anesthesiology Unit, “San Camillo de Lellis” Hospital, Foggia, Manfredonia, Italy