1. Department of Dermatology; University of Bonn; Bonn Germany
2. Department of Dermatology; University of Muenster; Muenster Germany
3. Division of Immunogenetics; Tumor Immunology Program; German Cancer Research Center; Heidelberg Germany
4. Department of Dermatology; University Clinic Basel; Basel Switzerland
5. Galderma Spirig Pharma AG; Egerkingen Switzerland