1. Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences Sapienza University of Rome Viale del Policlinico 155 Rome 00161 Italy
2. Division of Cardiology, AOU Città della Salute e della Scienza di Torino, Section of Cardiology, Department of Medical Sciences University of Turin Turin Italy
3. Intensive Cardiac Care Unit and De Gasperis Cardio Center ASST Grande Ospedale Metropolitano Niguarda Milan Italy
4. Department of Cardiology Luigi Sacco Hospital, Polo Universitario Milan Italy
5. Cardiovascular Diseases Unit Le Scotte Hospital, University of Siena Siena Italy
6. Ivrea Hospital Ivrea Italy
7. AOU Maggiore della Carità Novara Italy
8. Sant'Andrea di Vercelli Hospital Vercelli Italy
9. Madre Giuseppina Vannini Hospital Rome Italy
10. Division of Cardiovascular Medicine University of Pennsylvania Philadelphia PA USA
11. Department of Clinical Sciences and Community Health University of Milan Milan Italy
12. Department of Translational Medicine University of Eastern Piedmont Novara Italy