1. Department of Surgery, European Interbalkan Medical Centre, Thessaloniki, Greece.
2. Division of Transplant Surgery, Department of Surgery, Medical School, Aristotle University of Thessaloniki, Greece.
3. Department of HPB Surgery, Royal London Hospital, London, UK.
4. Department of Anesthesiology, European Interbalkan Medical Centre, Thessaloniki, Greece.
5. Histodierevnitiki Laboratory of Pathology, European Interbalkan Medical Centre, Thessaloniki, Greece.