Affiliations

• ¹ Department of Dermatology, Hospital Ludwigshafen, Germany.
• ² Department of Dermatology and Venereology, Helios Hospital Krefeld, Germany.
• ³ West German Tumor Center, University Hospital Essen, Germany.
• ⁴ Department I of Internal Medicine, University Hospital Cologne, Germany.
• ⁵ Department of Dermatology, Venereology and Allergology, Canton Hospital St. Gallen, Switzerland.
• ⁶ Department of Radiation Therapy and Radio-Oncology, University Hospital Münster, Germany.
• ⁷ German Cancer Society, Berlin, Germany.
• ⁸ Department of Dermatology, University Hospital Mainz, Germany.
• ⁹ Department of Dermatology, University Hospital Essen, Germany.
• ¹⁰ Institute of Pathology, University Hospital Schleswig-Holstein, Campus Kiel, Germany.
• ¹¹ Department of Dermatology, Municipal Hospital of Karlsruhe, Academic Teaching Hospital for the University of Freiburg, Karlsruhe, Germany.
• ¹² Department of Dermatology and Venereology, University Hospital Freiburg, medical Faculty, Albert-Ludwigs University Freiburg, Germany.
• ¹³ Department of Dermatology, Venereology and Allergology, University Hospital Göttingen, Germany.
• ¹⁴ Department of Dermatology, Venereology and Allergology, University Hospital Schleswig-Holstein, Campus Kiel, Germany.
• ¹⁵ Department of Dermatology, Dortmund Hospital GmbH, Dortmund, Germany.
• ¹⁶ Department of Dermatology, Venereology and Allergology, University Hospital Mannheim, Germany.
• ¹⁷ Charité - Universitätsmedizin Berlin, Department of Dermatology, Venereology and Allergology, Berlin, Germany.
• ¹⁸ Department of Dermatology, Venereology and Allergology, University Hospital at Ruhr University Bochum, Germany.
• ¹⁹ Department for Dermatology, University Hospital Halle, Germany.
• ²⁰ Rehabilitation Hospital, Herzoghöhe Bayreuth, Germany.
• ²¹ Department of Nuclear Medicine, Technical University of Munich, Germany.
• ²² Department of Dermatology, Venereology and Allergology, University Hospital Würzburg, Germany.
• ²³ Department of Dermatology, Venereology, Allergology, and Phlebology, Johannes Wesling University Hospital Minden, University Hospital at Ruhr University Bochum, Germany.