1. Institute for Inflammation and Repair, Dermatological Sciences; University of Manchester and Manchester Academic Health Science Centre; Manchester M13 7PT U.K
2. School of Psychological Sciences; University of Manchester and Manchester Academic Health Science Centre; Manchester M13 7PT U.K
3. Centre for Primary Care; University of Manchester and Manchester Academic Health Science Centre; Manchester M13 7PT U.K
4. Salford NHS Foundation Trust; Salford U.K
5. Department of Psychology; Institute of Psychiatry; King's College; London U.K