1. Centre for Dermatology Research, Salford Royal NHS Foundation Trust, The University of Manchester, Manchester Academic Health Science Centre, National Institute for Health Research (NIHR) Manchester Biomedical Research Centre, Manchester, United Kingdom
2. Institute of Translational and Clinical Medicine, Newcastle University Medical School, Newcastle upon Tyne, United Kingdom
3. Department of Dermatology, Royal Victoria Infirmary and NIHR Newcastle Biomedical Research Centre, Newcastle Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom
4. St John’s Institute of Dermatology, Guy’s and St Thomas’ NHS Foundation Trust, London, United Kingdom
5. Versus Arthritis Centre for Epidemiology, The University of Manchester, Manchester, United Kingdom