1. Postgraduate Program in Hepatobiliary and Pancreatic Surgery, 2nd Department of Surgery, Faculty of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece
2. Laboratory of Experimental Surgery and Surgical Research, Faculty of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece
3. Laboratory of Histology-Embryology, Faculty of Medicine, Democritus University of Thrace, 68100 Alexandroupolis, Greece
4. Experimental Research Center, ELPEN Pharmaceuticals, Pikermi, 19009 Athens, Greece