1. Department of Dermatology and Venereology University Hospital Cologne Germany
2. Department of Dermatology Venereology and Allergology University Hospital Leipzig Germany
3. Department of Dermatology and Venereology University Hospital Ludwigshafen Germany
4. Department of Dermatology University Hospital Erlangen Comprehensive Cancer Center Erlangen – European Metropolis Region Nürnberg Friedrich‐Alexander University Erlangen‐Nürnberg Erlangen Germany
5. Department of Dermatology and Venereology Vivantes Klinikum Berlin Neukölln Berlin Germany
6. Center for Dermato‐Oncology University Hospital Dermatology Eberhard‐Karls‐Universität Tübingen Germany
7. MVZ Dermatopathology Friedrichshafen Bodensee Germany
8. Department and Clinic for Orthopedics Trauma Surgery and Plastic Surgery University Hospital Leipzig AöR Germany
9. Department of Dermatology Venereology and Allergology University Hospital Essen Germany
10. Clinical Cooperation Unit Dermatology of the German Cancer Research Institute Heidelberg (DKFZ) and the Department of Dermatology Venereology and Allergology Medical Faculty Mannheim Ruprecht‐Karls‐Universität Heidelberg Germany
11. Department of Dermatology Venereology and Allergology University Hospital Schleswig‐Holstein Campus Lübeck Germany
12. Department of Skin Diseases University Hospital Münster Germany
13. Department of Dermatology University Hospital Johannes Gutenberg University Mainz Germany