1. Department of Dermatology, Leeds Teaching Hospitals NHS Trust , Leeds , UK
2. Department of Dermatology, Royal Hallamshire Hospital , Sheffield , UK
3. Department of Dermatology, University Hospital of Southampton NHS Trust , Southampton , UK
4. Medical Education Department, Airedale General Hospital, Airedale NHS Foundation Trust , Keighley , UK
5. Whittington Hospital , London , UK
6. NHS Greater Glasgow and Clyde , Glasgow , UK
7. School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester , Manchester , UK