1. Second Department of Surgery; Medical School; Democritus University of Thrace; University Hospital of Alexandroupolis; Alexandroupolis 68100 Greece
2. Postgraduate Program in Hepatobiliary/Pancreatic Surgery; Medical School; Democritus University of Thrace; Alexandroupolis Greece
3. Laboratory of Experimental Surgery and Surgical Research; Medical School; Democritus University of Thrace; Alexandroupolis Greece