1. Cardiology Department, San Luigi Gonzaga University Hospital, Orbassano, Turin, Italy
2. Interventional Cardiology Unit, Rivoli Infermi Hospital, Rivoli, Turin, Italy
3. San Luigi Gonzaga University Hospital, Orbassano, Turin, Italy
4. Cardiology Department, Interventional Cardiology, SS. Annunziata Savigliano, Cuneo, Italy