1. Vascular Unit, 2nd Department of Surgery, “ARETAIEIO” Hospital, National & Kapodistrian University of Athens Medical School , Athens, Greece
2. 1st Department of Radiology, “ARETAIEIO” Hospital, National & Kapodistrian University of Athens Medical School , Athens, Greece
3. 2nd Department of Surgery, “ARETAIEIO” Hospital, National & Kapodistrian University of Athens Medical School , Athens, Greece
4. 1st Department of Anesthesiology, 1st Clinic of Anesthesiology, “ARETAIEIO” Hospital, National and Kapodistrian University of Athens School of Medicine , Athens, Greece