Published on in Vol 19, No 9 (2017): September
1 Department of Dermatology, Venereology and Allergology, University-Hospital Essen, University of Duisburg-Essen, Essen, Germany
2 Department of Dermatology and National Center for Tumor Diseases (NCT), University Hospital Heidelberg, University of Heidelberg, Heidelberg, Germany
3 German Cancer Consortium (DKTK), Heidelberg, Germany
4 West German Cancer Center, University Duisburg-Essen, Essen, Germany
5 Department of Dermatology and Allergic Diseases, University of Ulm, Ulm, Germany