1. Department of Cardiology, Larissa University Hospital, P.O. Box 1425, 41110 Larissa, Greece
2. T.E.I. of Lamia, 35100 Lamia, Greece
3. Department of Radiology, Larissa University Hospital, 41110 Larissa, Greece
4. Military General Hospital, Larissa, Greece
5. 1st Department of Propaedeutic and Internal Medicine, Ethnikon and Kapodistriakon University School of Medical Sciences, Laikon Hospital, 11527 Athens, Greece
6. 1st Department of Medicine, AHEPA University Hospital, 31100 Thessaloniki, Greece
7. Department of Cardiology, Ca’ Foncello Hospital, Treviso, Italy