Maximos Frountzas1, Dimitrios Schizas2, Stylianos Kykalos3, Lysandros Karydakis2, Alexios Terra3, Konstantinos G. Toutouzas1
1First Propaedeutic Department of Surgery, Hippocration General Hospital, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
2First Department of Surgery, Laikon General Hospital, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
3Second Department of Propaedeutic Surgery, Laikon General Hospital, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
