1. Department of Dermatology University Hospital Zurich Zurich Switzerland
2. Institute for Health Services Research in Dermatology and Nursing (IVDP) University Medical Center Hamburg‐Eppendorf (UKE) Hamburg Germany
3. Department of Dermatology University Medical Center Schleswig‐Holstein Kiel Germany
4. Department of Dermatology and Venereology Geneva University Hospitals Geneva Switzerland
5. Department of Pathology and Immunology Geneva University Hospitals Geneva Switzerland
6. Comprehensive Center for Inflammation Medicine University Hospital Schleswig‐Holstein Lübeck Germany
7. Dermatologikum Berlin and SCIderm Research Institute Hamburg Germany
8. Dermatology Practice and CMS3 Selters Germany
9. Dermatology Practice Essen Essen Germany
10. Department of Dermatology Inselspital University Hospital Bern University of Bern Bern Switzerland
11. Department of Dermatology Regional Hospital Bellinzona Bellinzona Switzerland
12. Department of Dermatology Cantonal Hospital Aarau Aarau Switzerland
13. Department of Dermatology University Hospital Lausanne Lausanne Switzerland
14. Department of Dermatology Cantonal Hospital St. Gallen St. Gallen Switzerland
15. Department of Dermatology University Hospital Basel Basel Switzerland