1. Dermatology National Center for Tumor Diseases University Hospital Carl Gustav Carus Dresden Germany
2. Dermatology Klinikum Dortmund gGmbH Dortmund Germany
3. Dermatology Universitätsklinikum Tübingen Tübingen Germany
4. Dermatology and Allergology University of Bochum Bochum Germany
5. Department of Dermatology and Allergy Skin Cancer Center Hannover Medical School Hannover Germany