1. Manchester Centre for Health Economics The University of Manchester Manchester U.K.
2. BADBIR (on behalf of the PSORT consortium) The University of Manchester Manchester U.K.
3. The Dermatology Centre Salford Royal NHS Foundation Trust The University of Manchester Manchester Academic Health Science Centre Manchester U.K.
4. Department of Dermatology St Vincent's University Hospital Dublin Ireland
5. Department of Dermatology Western Infirmary Glasgow U.K.
6. St John's Institute of Dermatology Guy's and St Thomas’ NHS Foundation Trust London U.K.