1. Department of Radiology, Division of Interventional Radiology, “Laiko” General Hospital, 11527 Athens, Greece
2. Department of Radiology, Division of Interventional Radiology, School of Medicine, National and Kapodistrian University of Athens, "Attikon" University General Hospital, Athens, Greece
3. Department of Radiology, “Elena Venizelou” General Maternal Hospital, 11521 Athens, Greece