1. Manchester Centre for Health Psychology, Division of Psychology and Mental Health, Faculty of Biology, Medicine and Health, School of Health Sciences, The University of Manchester, Manchester, UK
2. Centre for Dermatology Research, Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK
3. NIHR Manchester Biomedical Research Centre, The University of Manchester, Manchester, UK
4. School of Healthcare Sciences, Cardiff University, Cardiff, UK
5. Division of Population Health, Health Services Research & Primary Care, Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK
6. Salford Royal NHS Foundation Trust, Manchester, UK
7. Division of Musculoskeletal and Dermatological Research, Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK