1. Department of Dermatology and Venereology National Medical University Kiev Ukraine
2. Departments of Dermatology, Venereology, Allergology and Immunology Dessau Medical Center Brandenburg Medical School Theodor Fontane Dessau Germany
3. Department of Psychology University of Zaragoza Zaragoza Spain
4. Department of Dermatology Zealand University Hospital Roskilde Denmark
5. Health Sciences Faculty University of Copenhagen Copenhagen Denmark
6. Department of Dermatology and Venereology Skane University Hospital Malmö Sweden
7. Dermatology Dali Medical Bucharest Romania
8. Department of Dermatology Faculty of Health Sciences University Hospital of North Norway Troms Norway
9. Department of Clinical Medicine UiT The Arctic University of Norway Tromsø Norway
10. Clinical Epidemiology Unit IDI‐IRCCS Rome Italy
11. Children's Hospital Zagreb Medical School University of Zagreb Zagreb Croatia
12. Department of Dermatology Erasmus University Medical Center Rotterdam The Netherlands
13. Department of Dermatology Royo Villanova Hospital Aragon Psychodermatology Research Group (GAI+PD) Zaragoza Spain
14. Department of Medical Psychology Radboud Institute for Health Sciences Radboud University Medical Center Nijmegen The Netherlands
15. Whipps Cross University Hospital London UK
16. The Royal London Hospital London UK
17. Unit of Dermatology Ben Gurion University of the Negev Beer‐Sheva Israel
18. Department of Dermatology Wroclaw Medical University Wroclaw Poland
19. Institute for Health Services Research in Dermatology and Nursing (IVDP) University Medical Center Hamburg‐Eppendorf Hamburg Germany
20. Department of Dermatology and Wound Healing Division of Infection and Immunity School of Medicine Cardiff University Cardiff UK