1. Dermatology Centre The University of Manchester Salford Royal NHS Foundation Trust NIHR Manchester BRC CentreManchester UK
2. LEO Pharma Ballerup Denmark
3. Institute for Health Services Research in Dermatology and Nursing University Medical Center Hamburg‐Eppendorf Skinflammation® Center Hamburg Germany
4. Toulouse University and Larrey Hospital Toulouse France
5. Department of Dermatology Hospital de la Santa Creu i Sant Pau Universitat Autònoma de Barcelona School of Medicine Barcelona Spain