1. Department of DermatologyVenereology and AllergologyUniversity Medical Center Essen Germany
2. Department of Radiation Therapy and Radiation OncologyUniversity Medical Center Leipzig Germany
3. Center for DermatologyElbe Medical Center Buxtehude Germany
4. Dermatopathology Laboratory Friedrichshafen Germany
5. Department of DermatologyVenereology and AllergologyUniversity Medical Center Tübingen Germany
6. Department of Medical Oncology and Tumor ResearchUniversity Medical Center Essen Germany
7. Department of DermatologyVenereology and AllergologyUniversity Medical Center Mainz Germany