1. Maria Pia Hospital—GVM Turin Italy
2. S.G. Bosco Hospital—ASL Città di Torino Turin Italy
3. Cardiovascular and Thoracic Department, Division of Cardiology Città della Salute e della Scienza Turin Italy
4. Department of Medical Sciences, Division of Cardiology University of Turin Turin Italy
5. Santa Maria delle Croci Hospital—AUSL Romagna Ravenna Italy