1. Interdisciplinary Center for Clinical Trials (IZKS); University Medical Center Mainz; Mainz Germany
2. Division of Immunogenetics; Tumor Immunology Program; German Cancer Research Center; Heidelberg Germany
3. Department of Dermatology; Medical University of Graz; Graz Austria
4. Department of Dermatology and Allergology; University of Szeged; Szeged Hungary
5. Department of Medical and Surgical Critical Care Section of Dermatology; University of Florence; Florence Italy
6. Evidence-Based Medicine Frankfurt; Institute for General Practice; Goethe-University Frankfurt; Frankfurt Germany
7. Department of Dermatology and Allergology; Hôpital Tenon; Paris France
8. Department of Dermatology, Venerology and Allergology; University Hospital of Schleswig-Holstein; Campus Kiel; Kiel Germany
9. Department of Dermatology; Inselspital Bern - University Hospital; Bern Switzerland
10. Department of Dermatology and Venereology; University Hospital Center Zagreb and School of Medicine University of Zagreb; Zagreb Croatia
11. Institution for Clinical Sciences; Unit for Dermatology; Karolinska Institutet at Danderyd Hospital (KIDS); Stockholm Sweden
12. Department of Dermatology; Colentina Clinical Hospital; Bucharest Romania
13. Department of Skin and allergic diseases; Inflammation Center; Helsinki University Central Hospital; Helsinki Finland
14. Department of Dermatology, Venereology and Allergology; Wroclaw Medical University; Wroclaw Poland
15. Department of Dermatology; Donauspital; University affiliated Hospital; Vienna Austria