1. St John’s Institute of Dermatology Guy’s and St Thomas’ NHS Foundation Trust and King’s College London London UK
2. NIHR Biomedical Research Centre at Guy’s and St Thomas’ NHS Foundation Trust and King’s College London London UK
3. Centre for Rheumatic Diseases King's College London London UK
4. Dermatology Centre Salford Royal NHS Foundation Trust The University of Manchester Manchester Academic Health Science Centre NIHR Manchester Biomedical Research Centre Manchester UK
5. Faculty of Epidemiology, and Population Health London School of Hygiene and Tropical Medicine London UK
6. Department of Medical and Molecular Genetics School of Basic and Medical Biosciences Faculty of Life Sciences and Medicine King's College London London UK
7. Health Data Research UK London UK
8. School of Medicine Keele University Keele UK
9. The Psoriasis Association Northampton UK
10. International Federation of Psoriasis Associations (IFPA) Bromma Sweden
11. Department of Dermatology AP‐HP Hôpital Saint‐Louis Paris France
12. INSERM U1163 Imagine Institute for Human Genetic Diseases Université de Paris Paris France
13. Catedra de Dermatologia Hospital de Clinicas Facultad de Ciencias Medicas Universidad Nacional de Asuncion San Lorenzo Paraguay
14. Clinica Dermacross Santiago Chile
15. St John’s Institute of Dermatology School of Basic & Medical Biosciences Faculty of Life Sciences & Medicine King's College London London UK
16. Section of Dermatology and Venereology University of Verona Verona Italy
17. Department of Dermatology Edouard Herriot Hospital Hospices Civils de Lyon University of Lyon Lyon France
18. Groupe de Recherche sur le Psoriasis (GrPso) de la Société Française de Dermatologie Paris France
19. Department of Dermatology Ghent University Ghent Belgium
20. Centro Studi GISED Bergamo Italy
21. Psychology Department Institute of Psychiatry, Psychology and Neuroscience King’s College London London UK
22. Department of Dermatology Hospital de la Santa Creu i Sant Pau Universitat Autònoma de Barcelona Barcelona Spain
23. Department of Dermatology Amsterdam Public Health/Infection and Immunology Amsterdam University Medical Centers Location AMC Amsterdam The Netherlands
24. Department of Dermatology Centro Hospitalar do Porto Porto Portugal
25. School of Cancer and Pharmaceutical Sciences King’s College London London UK