1. Cardio‐thoracic department Electrophysiology and Electrostimulation Laboratory University of Brescia Brescia Italy
2. Department of Cardiology ASST Bergamo Est Bolognini Hospital, Seriate Bergamo Italy
3. Cardiology Department Faculty of Medicine Alexandria University Alexandria Egypt
4. Cardiothoracic Department Humanitas Gavazzeni Bergamo Italy
5. Department of Cardiology ASST‐Fatebenefratelli Sacco Luigi Sacco University Hospital Milan Italy