1. Skin Cancer Center Department of Dermatology Ruhr‐University Bochum BochumGermany
2. Department of Dermatology Christian Hospital Unna UnnaGermany
3. Institute of Pathology Ruhr‐University Bochum Bochum Germany
4. Haemato‐Oncological Outpatient Clinic Christian Hospital Unna UnnaGermany
5. Department of Radiology Christian Hospital Unna Unna Germany