1. Department of Visceral-, Transplantation-, Thoracic- and Vascular Surgery, University Hospital Leipzig, Leipzig, Germany
2. Institute of Pathology, University Hospital Leipzig, Leipzig, Germany
3. Department of Surgery, Research Laboratories, University of Leipzig, Leipzig, Germany
4. Department of Surgery, Campus Charité Mitte und Campus Virchow-Klinikum, Charité – Universitätsmedizin Berlin, Berlin, Germany