1. Department of Cardiology, Interventional Cardiology and Cardiac Surgery Azienda Ospedaliera SS. Antonio e Biagio e Cesare Arrigo Alessandria Italy
2. Department of Cardiology Azienda Ospedaliera ‐ Universitaria Padova Padova Italy
3. Department of Cardiology Ospedale Maggiore Lodi Italy
4. Department of Cardiology Ospedale San Giovanni Bosco Torino Italy
5. Department of Cardiology Azienda Ospedaliera Ospedali Riuniti Marche Nord Pesaro Italy
6. Department of Cardiology Azienda Ospedaliera ‐ Universitaria Careggi Florence Italy