1. Pellegrini Hospital Naples Italy
2. Electrophysiology and Cardiac Pacing Unit Monaldi Hospital Naples Italy
3. Department of Cardiology Ospedale Del Mare Naples Italy
4. San Giovanni Bosco Hospital Naples Italy
5. Department of Advanced Biomedical Sciences Federico II University of Naples Naples Italy
6. Deparatment of Cardiology University of Campania "Luigi Vanvitelli," Monaldi Hospital Naples Italy
7. Fatebenefratelli Hospital Naples Italy
8. Clinical Affairs H.T. Med Pozzuoli Italy