1. Department of Cardiac; Thoracic and Vascular Sciences, University of Padua Medical School; Padua Italy
2. Department of Interventional Cardiology; A.O. Fatebenefratelli; Milan Italy
3. Cardiology Division, A.O. Brotzu; Cagliari Italy
4. Department of Interventional Cardiology; A.O. Monaldi; Naples Italy
5. Interventional Cardiology Unit; Azienda Ospedali Riuniti; Ancona Italy
6. Cardiology Division, Valduce Hospital; Como Italy
7. Cardiology Division, ULSS 17; Este Italy
8. Division of Cardiology; Department of Cardio-Thoracic Sciences, Second University of Naples; Naples Italy
9. Department of Interventional Cardiology; S. Andrea Hospital; La Spezia Italy
10. Cardiolody Division; Cardinal Massaia Hospital; Asti Italy
11. Interventional Cardiology; U.O. Cardiologia-Emodinamica, Ospedale della Misericordia; Grosseto Italy
12. Department of Interventional Cardiology; Parini Regional Hospital; Aosta Italy
13. Cardiology Division, A.O. Bolognini; Seriate BG Italy
14. Department of Interventional Cardiology; Ospedale Maggiore; Lodi Italy
15. Interventional Cardiology; U.O. Cardiologia-Emodinamica, San Martino Hospital; Belluno Italy
16. Department of Interventional Cardiology; SS. Filippo e Nicola Hospital; Avezzano Italy
17. Cardiology Division, Mazzoni Hospital; Ascoli Piceno
18. Interventional Cardiology Unit; Santa Corona General Ospital; Pietra Ligure Italy
19. Interventional Cardiology Unit; Luigi Sacco Hospital; Milano Italy
20. Cardiology Division, Ca' Foncello Hospital; Treviso Italy
21. Department of Interventional Cardiology; Policlinico S.; Mariaalle Scotte, Siena Italy
22. Interventional Cardiology Unit; AOU Policlinico; Palermo Italy
23. Cardiology Division, A. Manzoni Hospital; Lecco Italy
24. Cardiology Division, Policlinico S. Matteo; Pavia Italy
25. Biostatistics, Epidemiology and Public Health Unit of Department of Cardiac, Thoracic and Vascular Sciences, University of Padua Medical School; Padua Italy
26. Epidemiology Department; “Mario Negri” Research Institute; Milano Italy
27. Interventional Cardiology; USD Emodinamica, A.S.O. S.Croce e Carle; Cuneo Italy