1. Division of Cardiology, S. Giovanni Evangelista Hospital, Tivoli (Roma), Italy
2. Division of Cardiology, Istituti Clinici Scientifici Maugeri, IRCCS, Veruno (Novara), Italy
3. ANMCO Research Center, Firenze, Italy
4. Division of Cardiology, Azienda Ospedaliera Sant’Anna e San Sebastiano, Caserta, Italy
5. Division of Cardiology, S. Filippo Neri Hospital, Rome, Italy
6. Division of Cardiology, Azienda Ospedali Riuniti Villa Sofia-Cervello, Palermo, Italy
7. Division of Cardiology, Azienda Ospedaliera G. Rummo, Benevento, Italy
8. Cardiovascular Department “Ospedali Riuniti” and Postgraduate School of Cardiovascular Science, University of Trieste, Trieste, Italy
9. Division of Cardiology, Istituto di Cura Città di Pavia, Pavia, Italy
10. Division of Cardiology, Azienda Sanitaria Universitaria Integrata di Trieste, Trieste, Italy
11. Division of Cardiology, Garibaldi-Nesima Hospital, Catania, Italy