1. Dermatology Centre; Salford Royal NHS Foundation Trust; The University of Manchester; Manchester Academic Health Science Centre; NIHR Manchester Biomedical Research Centre; Manchester U.K.
2. Eli Lilly and Company; Lilly Corporate Center; Indianapolis IN U.S.A.
3. Division of Clinical Dermatology and Cutaneous Science; Dalhousie University; Halifax NS Canada
4. Department of Dermatology; Kaiser Permanente Los Angeles Medical Center; Los Angeles CA U.S.A.
5. Division of Evidence-Based Medicine; Department of Dermatology, Venereology and Allergology; Charité Universitätsmedizin Berlin; Berlin Germany