1. Research Group: Chronic Diseases and Psychological Health (COPE) University of Applied Health Sciences SRH Gera Gera Germany
2. Vocational College for Social Pedagogy RBZ Koenigsweg Kiel Germany
3. Psoriasis‐Center at the Department of Dermatology University Medical Center Schleswig‐Holstein, Campus Kiel Kiel Germany
4. Department of Dermatology, Environmental Medicine, Health Theory, Institute for Interdisciplinary Dermatological Prevention and Rehabilitation (iDerm) University of Osnabrueck Osnabrueck Germany
5. Institute for Health Services Research in Dermatology and Nursing (IVDP), German Center for Health Services Research in Dermatology (CVderm) University Medical Center Hamburg‐Eppendorf (UKE) Hamburg Germany