1. Dermatology Centre, Northern Care Alliance NHS Foundation Trust , Salford Royal, Salford , UK
2. NIHR Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre , Manchester , UK
3. Pfizer Ltd , Walton Oaks, Walton on the Hill, Tadworth , UK
4. Momentum Data Ltd , St Albans, Herts , UK
5. Clinical Experimental Sciences, Faculty of Medicine, University of Southampton , Southampton , UK
6. Department of Dermatology, University Hospitals Southampton NHS Trust , Southampton , UK