1. Arrhythmia and Electrophysiology Unit, Cardiology Department Santa Maria Della Misericordia Hospital Rovigo Italy
2. Institute of Cardiology University of Bologna Policlinico S.Orsola‐Malpighi Bologna Italy
3. Department of Cardiology, Second University of Naples Monaldi Hospital Naples Italy
4. Cardiology Department Ospedale Santa Croce e Carle Cuneo Italy
5. Cardiovascular Sciences Department Catholic University of Sacred Heart Rome Italy
6. Cardiovascular Department Azienda Ospedaliera Papa Giovanni XXIII Bergamo Italy
7. Cardiovascular and Arrhythmias Department Giovanni Paolo II Research & Care Foundation Campobasso Italy
8. Medical‐Surgical Department of Cardiology Azienda Ospedaliera "Ospedali Riuniti San Giovanni di Dio e Ruggi d'Aragona” Salerno Italy
9. Clinica Mediterranea Naples Italy
10. Department of Cardiology Casa Sollievo della Sofferenza San Giovanni Rotondo Italy
11. Unit of Cardiac Surgery Department of Cardiology Thoracic and Vascular Surgery and Critical Care Medicine Azienda Ospedaliera ASMN Istituto di Ricovero e Cura a Carattere Scientifico Reggio Emilia Italy
12. Villa Verde Hospital Taranto Italy