1. Department of Electrophysiology Clinica Montevergine, Mercogliano Avellino Italy
2. Second Division of Cardiology, Cardiac‐Thoracic‐Vascular Department, New Santa Chiara Hospital Azienda Ospedaliero Universitaria Pisana Pisa Italy
3. Laboratorio di Elettrofisiologia Clinica San Michele Maddaloni Caserta Italy
4. Boston Scientific Milan Italy
5. Department of Electrophysiology Anthea Hospital Bari Italy
6. Division of Cardiology San Filippo Neri Hospital Rome Italy
7. Cardiovascular Sciences Department Fondazione Policlinico Universitario Agostino Gemelli Rome Italy
8. Institute of Cardiology Catholic University of Sacred Heart Rome Italy
9. Arrhythmology Unit Ospedale San Giovanni Calibita, Fatebefratelli, Isola Tiberina Rome Italy
10. Department of Electrophysiology Cardinal Massaia Hospital Asti Italy
11. Electrophysiology Unit, Cardiovascular Department Poliambulanza Institute Hospital Foundation Brescia Italy