1. Department of General-, Visceral-, Transplantation- Vascular- and Thoracic Surgery; University of Munich; Munich Germany
2. Transplant Center Munich; Munich Germany
3. Department of General, Visceral and Transplant Surgery; Tuebingen University Hospital; Tuebingen Germany
4. Department of General and Transplant Surgery; Ruprecht Karls University; Heidelberg Germany
5. Department of General, Visceral and Transplant Surgery; Charité Universitaetsmedizin Berlin; Berlin Germany
6. Department of General, Visceral and Transplantation Surgery; University Hospital Essen; Essen Germany
7. Department of General and Transplantation Surgery; University of Kiel; Kiel Germany
8. Department of Hepatobiliary Surgery and Visceral Transplantation; University Medical Center Eppendorf; Hamburg Germany