1. Department of Dermatology and National Center for Tumor Diseases University Hospital Heidelberg Germany
2. Practice of Oncology Heidelberg Germany
3. Dermatopathology Friedrichshafen Germany
4. Department of Translational Oncology National Center for Tumor Diseases (NCT) German Cancer Research Center (DKFZ) Heidelberg Germany
5. Department of Neuropathology Institute of Pathology University of Heidelberg Heidelberg Germany
6. Institute of Pathology University of Heidelberg Heidelberg Germany