1. First Cardiology Department, Hippokration General Hospital, National and Kapodistrian University of Athens, Athens, Greece
2. University Cardiology, AOU Citta della Salute e della Scienza di Torino, Torino 10126, Italy
3. Internal Medicine and Rheumatology, Ospedale Papa Giovanni XXIII, Bergamo, Italy
4. Joint Rheumatology Program, Clinical Immunology-Rheumatology Unit, 2nd Department of Medicine and Laboratory, School of Medicine, National and Kapodistrian University of Athens, Hippokration General Hospital, Athens, Greece