1. Department of Cardiac, Thoracic, Vascular Sciences and Public Health University of Padova Padova Italy
2. Department of Cardiology San Gerardo Hospital Monza Italy
3. Division of Cardiovascular Diseases, Azienda Ospedaliera Universitaria Ospedale Policlinico Consorziale Bari Italy
4. Departement of Cardiac Electrophysiology and Arrhythmology San Raffaele Hospital Milano Italy