1. 2nd Department of Radiology, University General Hospital “ATTIKON,” Medical School, National and Kapodistrian University of Athens, Haidari/Athens, Greece
2. Diagnostic Imaging and Interventional Radiology, University of Rome Tor Vergata, Rome, Italy
3. Diagnostic Imaging and Interventional Radiology, Vascular and Interventional Radiology Unit, Sapienza University of Rome, Rome, Italy