1. Skin Cancer Center Ruhr‐University Department of Dermatology Venereology and Allergology Ruhr‐University Bochum St Josef Hospital Bochum Germany
2. Translational Skin Cancer Research German Cancer Consortium (DKTK) Partner Site Essen/Düsseldorf Department of Dermatology University Duisburg‐Essen Essen Germany
3. Deutsches Krebsforschungszentrum (DKFZ) Heidelberg Germany