1. Second Department of Propaedeutic Surgery, Laiko General Hospital of Athens, Athens University Medical School, 17 Ag. Thoma Street, 11427 Athens, Greece
2. Department of Plastic Surgery, Andreas Syngros Hospital, 5 Dragoumi Street, 16121 Athens, Greece
3. Vascular Division, Second Department of Propedeutic Surgery, Laiko General Hospital of Athens, Athens University Medical School, 17 Ag. Thoma Street, 11527 Athens, Greece