1. Department of General, Visceral and Transplantation Surgery, University of Heidelberg, Heidelberg, Germany
2. Department of Cytology, Embryology and Histology, Azerbaijan Medical University, Baku, Azerbaijan
3. Division of Solid Tumor Translational Oncology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), partner site University Hospital Essen, Heidelberg, Germany
4. Bridge Institute of Experimental Tumor Therapy, West German Cancer Center, University Hospital Essen, University Duisburg-Essen, Essen, Germany