1. Institute for Health Services Research in Dermatology and Nursing (IVDP) University Medical Center Hamburg‐Eppendorf (UKE) Hamburg Germany
2. Department of Dermatology, Venereology and Allergology Psoriasis‐Center University Medical Center Schleswig‐Holstein Kiel Germany
3. SRH University of Applied Health Sciences Gera Gera Germany
4. Integrated Research and Treatment Center (IFB) Adiposity Diseases University Hospital Leipzig Leipzig Germany
5. Dermatological Practice Selters Selters Germany
6. Professional Association of German Dermatologists (BVDD) Berlin Germany
7. Department of Dermatology Environmental Medicine Health Theory Institute for Interdisciplinary Dermatological Prevention and Rehabilitation (iDerm) University of Osnabrueck Osnabrueck Germany
8. Department of Dermatology and Allergology Technical University of Munich Munich Germany