1. Comprehensive Centre of Inflammation Medicine University of Lübeck Lübeck Germany
2. Department of Dermatology University Hospital Essen Essen Germany
3. Dermatologische Spezialpraxis Selters Germany
4. Novartis Pharma GmbH Nürnberg Germany
5. Hautzentrum Donau Alb Blaubeuren Germany
6. International Centre for Skin Disease DermAllegra Hohenstadt/Nürnberg Germany
7. Institute for Health Services Research in Dermatology and Nursing (IVDP) German Centre for Health Services Research in Dermatology (CVderm) University Medical Center Hamburg‐Eppendorf (UKE) Hamburg Germany