1. Department of General, Visceral and Transplantation Surgery, University Hospital, LMU Munich, Munich, Germany.
2. HTCR-Services GmbH, Munich, Germany.
3. Drug Metabolism and Pharmacokinetics, Research and Development, Bayer AG, Wuppertal, Germany.
4. Medical Directorate, University Hospital, LMU Munich, Munich, Germany.
5. Human Tissue and Cell Research Foundation, Regensburg, Germany.
6. Department of General, Visceral and Minimally Invasive Surgery, Red Cross Hospital Munich, Munich, Germany.