1 First Propaedeutic Department of Surgery, Hippocration General Hospital National and Kapodistrian University of Athens, School of Medicine, 114 Vasilissis Sofias Avenue, Athens, 11527, Greece. Electronic address: froumax@hotmail.com.
2 Laboratory of Experimental Surgery and Surgical Research National and Kapodistrian University of Athens, School of Medicine, 15B Agiou Thoma Street, Athens, 11527, Greece.
3 First Department of Surgery, Laikon General Hospital National and Kapodistrian University of Athens, School of Medicine, 17 Agiou Thoma Street, Athens, 11527, Greece.
4 First Propaedeutic Department of Surgery, Hippocration General Hospital National and Kapodistrian University of Athens, School of Medicine, 114 Vasilissis Sofias Avenue, Athens, 11527, Greece.