1. Faculty of Health and Social Care; University of Hull; Dearne Building; Hull; HU6 7RX; U.K
2. School of Health and Social Care; Bournemouth University; Bournemouth; U.K
3. St. John's Institute of Dermatology; Guy's and St. Thomas' NHS Foundation Trust; London; U.K
4. National Health Service Lambeth; Lambeth; U.K