1. 2nd Department of Propaedeutic Surgery, Medical School, National and Kapodistrian University of Athens, Athens, Greece
2. 4th Department of Surgery, Medical School, National and Kapodistrian University of Athens, Athens, Greece
3. Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
4. 1st Department of Surgery, National and Kapodistrian University of Athens, Athens, Greece
5. Laboratory of Experimental Surgery and Surgical Research “N.S Christeas”, Medical School, National and Kapodistrian University of Athens, Athens, Greece
6. Department of Anatomy, Medical School, National and Kapodistrian University of Athens, Athens, Greece