1. Dermatology Centre; Salford Royal NHS Foundation Trust; Salford U.K.
2. Centre for Dermatology Research; University of Manchester; Manchester Academic Health Science Centre; Manchester U.K.
3. Department of Dermatology; Faculty of Medicine; Siriraj Hospital; Mahidol University; Bangkok Thailand
4. Centre of Biostatistics; University of Manchester; Manchester Academic Health Science Centre; Manchester U.K.
5. Cellular Pathology; Salford Royal NHS Foundation Trust; Salford U.K.