1. Department of General, Visceral and Transplantation Surgery, Charité-University Medicine Berlin, Augustenburger Platz 1, 13353 Berlin, Germany
2. BG Trauma Center, Siegfried Weller Institute, Eberhard Karls University Tübingen, Schnarrenbergstrasse 95, 72076 Tübingen, Germany
3. Bioreactor Group, Berlin-Brandenburg Centre for Regenerative Therapies (BCRT), Charité-University Medicine Berlin, Augustenburger Platz 1, 13353 Berlin, Germany