1. Department of Dermatology University Hospital of Essen West German Cancer Center University Duisburg‐Essen and the German Cancer Consortium (DKTK) Essen Germany
2. Bridge Institute of Experimental Tumor Therapy West German Cancer Center University Hospital of Essen University of Duisburg‐Essen Essen Germany
3. Division of Solid Tumor Translational Oncology German Cancer Consortium (DKTK Partner Site Essen) and German Cancer Research Center DKFZ Heidelberg Germany
4. Department of Pediatric Hematology and Oncology Department for Pediatrics III University Hospital of Essen Essen Germany
5. Institute for Transfusion Medicine University Hospital of Essen Essen Germany
6. Faculty Rudolf‐Schönheimer‐Institute for Biochemistry University of Leipzig Leipzig Germany