1. Department of Dermatology and Venereology Aarhus University Hospital Aarhus Denmark
2. Department of Dermatology CHUV University Hospital and University of Lausanne (UNIL) Lausanne Switzerland
3. Department of Medicine Solna Karolinska Institutet Stockholm Sweden
4. Unit of Rheumatology Karolinska University Hospital Stockholm Sweden
5. Leo Foundation Skin Immunology Research Center University of Copenhagen Copenhagen Denmark
6. Department of Biomedical Sciences Humanitas University Milan Italy
7. Dermatology Unit IRCCS Humanitas Research Hospital Rozzano Italy
8. Dermoklinika Medical Centre Lodz Poland
9. Department of Dermatology, Venereology and Allergology Goethe‐Universität Frankfurt am Main Frankfurt Germany
10. Department of Dermatology University of Tartu, Dermatology Clinic, Tartu University Hospital Tartu Estonia
11. Department of Dermatology Hospital Universitario 12 de Octubre Madrid Spain
12. Department of Autoimmunity, Transplantation & Immunology Novartis Institutes for Biomedical Research Basel Switzerland
13. Novartis IMI AG Basel Switzerland