S. Cammann1, F. Oldhafer1, K.I. Ringe1, W. Ramackers1, K. Timrott1, M. Kleine1, J. Klempnauer1, F. Lehner1, H. Bektas1, F.W.R Vondran1
1Regenerative Medicine & Experimental Surgery (ReMediES), Department of General, Visceral and Transplant Surgery, Hannover Medical School, Germany