1. Cardiology Unit, Azienda Ospedaliero Universitaria di Ferrara, Ferrara, Italy
2. Cardiology Unit, Azienda USL-IRCCS Reggio Emilia, S. Maria Nuova Hospital, Reggio Emilia, Italy
3. Hospital Clínico San Carlos IDISCC, Complutense University of Madrid, Calle del Prof Martin Lagos s/n, Madrid, Spain
4. Centro de Investigación Biomédica en Red en Enfermedades Cardiovasculares, Madrid, Spain, Instituto de Investigación Hospital La Paz, University Hospital La Paz, Madrid, Spain
5. Cardiology Unit, Ospedale Maggiore, Largo Nigrisoli 2, Bologna, Italy
6. Cardiovascular Department, Infermi Hospital, Rimini, Italy
7. Interventional Cardiology Unit, San Luigi Gonzaga University Hospital, Orbassano, and Rivoli Infermi Hospital ASLTO3, Rivoli, Turin, Italy
8. Cardiology Unit, Umberto I Hospital, ASP Siracusa, Siracusa, Italy
9. S. C. Cardiologia, Ospedale Sant’Andrea, ASL5 Liguria, La Spezia, Italy
10. Centro de Investigación Biomédica en Red en Enfermedades Cardiovasculares, Cardiology Department, Hospital Clínico Universitario, Valladolid, Spain
11. Centro de Investigation Biomedica end Red en Enfermedades Cardiovasculares, Cardiology Department, Hospital General Universitario Gregorio Marañón, Madrid, Spain
12. Azienda Ospedaliero Universitaria Integrata di Verona, Verona, Italy
13. Azienda Ospedaliero Universitaria Policlinico Paolo Giaccone, Palermo, Italy
14. Azienda Ospedaliero Universitaria Policlinico Gaetano Martino, Messina, Italy
15. Centro de Investigation Biomedica en Red en Enfermedades Cardiovasculares, Cardiology Department, H. Universitario y Politécnico La Fe, Valencia, Spain
16. Cardiology Unit, Ospedale Santa Maria Goretti, Via Lucia Scaravelli, Latina, Italy
17. Interventional Cardiology, Department of Cardio-Thoracic and Vascular Sciences, Ospedale dell’Angelo, Via Paccagnella, Venice, Italy
18. Institute of Cardiology, Jagiellonian University Medical College, Krakow, Poland
19. Department of Clinical and Molecular Medicine, Sapienza University of Rome, Roma, Italy
20. Interventional Cardiology Unit, Presidio Ospedaliero San Salvatore di Pesaro, Pesaro, Italy