1. Medical and Surgical Sciences Department, University of Foggia, Foggia, Italy
2. Cardiovascular Sciences Cardiology Department, Ospedali Riuniti, Ancona, Italy
3. Cardiovascular Department, Papa Giovanni XXIII Hospital, Bergamo, Italy
4. Department of Experimental and Clinical Medicine, University of Florence and Cardiac Rehabilitation Unit, Azienda Ospedaliero-Universitaria Careggi, Florence, Italy
5. ANMCO Research Center, Heart Care Foundation, Florence, Italy
6. Catholic University of the Sacred Heart, School of Medicine and Surgery, Rome, Italy
7. Biomagnetism and Clinical Physiology International Center (BACPIC), Rome, Italy
8. Medical Affairs, AstraZeneca S.p.A, Milan, Italy