1. Division of Cardiology, Fondazione IRCCS Policlinico San Matteo , Viale Golgi 19 , 27100 Pavia, Italy
2. University of Pavia Department of Molecular Medicine, Section of Cardiology, , Pavia , Italy
3. Division of Cardiology, Molinette Hospital, Città della Salute e della Scienza , Torino , Italy
4. Department of Medical Sciences, University of Torino , Torino , Italy
5. Division of Cardiology, Fatebenefratelli Hospital , Rome , Italy
6. Division of Cardiology, Maggiore Hospital , Bologna , Italy
7. Division of Cardiology, Misericordia Hospital , Grosseto , Italy
8. Division of Cardiology, Santi Antonio e Biagio e Cesare Arrigo Hospital , Alessandria , Italy
9. Division of Cardiology, Maggiore Hospital , Crema , Italy
10. Division of Cardiology, G. Martino Hospital , Messina , Italy
11. Division of Cardiology, Humanitas Mater Domini , Castellanza , Italy
12. Division of Cardiology, ‘San Michele’ dell’ARNAS G. Brotzu Hospital , Cagliari , Italy
13. Division of Cardiology, ‘Tor Vergata’ University Hospital , Rome , Italy
14. Division of Cardiology, San Biagio Hospital , Domodossola , Italy
15. Division of Cardiology, Maggiore della carità Hospital , Novara , Italy
16. University of Eastern Piedmont ‘Amedeo Avogadro’ , Novara , Italy
17. Division of Cardiology, ‘A. De Gasperis’, ASST Grande Ospedale Metropolitano Niguarda , Milan , Italy
18. Division of Cardiology, Department of Medicine, School of Medicine, University of Verona , Verona , Italy
19. Division of Cardiology, Santa Maria della Misericordia Hospital , Perugia , Italy
20. Division of Cardiology, Sant’Andrea University Hospital , Rome , Italy
21. Division of Cardiology, San Luca Hospital , Milan , Italy
22. Department of Cardiac Electrophysiology and Arrhythmology, IRCCS San Raffaele Hospital and Vita-Salute University , Milan , Italy
23. AREU Azienda Regionale Emergenza Urgenza, AAT Pavia Fondazione IRCCS Policlinico San Matteo , Pavia , Italy