1. Department of Cardiac, Thoracic and Vascular Sciences; University of Padua Medical School; Padua Italy
2. Maastad Ziekenhuis; Rotterdam Netherlands
3. Biostatistics, Epidemiology and Public Health Unit of Department of Cardiac, Thoracic and Vascular Sciences; University of Padua Medical School; Padua Italy
4. Unità Operativa di Cardiologia, ASST Fatebenefratelli-Sacco; P.O. Fatebenefratelli Italy
5. Cardiology Division; Santa Maria della Pietà Hospital; Nola Naples Italy
6. Cardiology Division; A.O. Bolognini; Seriate Bergamo Italy
7. Cardiology Division; A.O. Brotzu; Cagliari Italy
8. USD Emodinamica, A.S.O. S.Croce e Carle; Cuneo Italy