1. Interventional Cardiology Unit; Azienda Ospedaliera S. Maria Nuova - IRCCS Reggio Emilia Italy
2. Division of Cardiology and Interventional Center; Ospedale S. Maria delle Croci Ravenna Italy
3. Regional Health Care Agency; Regione Emilia-Romagna Bologna Italy
4. Cardiovascular Institute; Azienda Ospedaliero-Universitaria S. Anna Ferrara Italy
5. Division of Cardiology and Cardiac Catheterization Laboratory; Azienda Ospedaliero-Universitaria; Parma Italy
6. Division of Cardiology and Cardiac Catheterization Laboratory; Nuovo Ospedale Civile S. Agostino-Estense; Modena Italy
7. Division of Cardiology and Cardiac Catheterization Laboratory; Ospedale Infermi; Rimini Italy
8. Institute of Cardiology, Azienda Ospedaliero-Universitaria Policlinico S. Orsola-Malpighi; Bologna Italy
9. Division of Cardiology and Cardiac Catheterization Laboratory; Ospedale Maggiore; Bologna Italy