1. The University of Nottingham; Centre of Evidence Based Dermatology; King's Meadow Campus Lenton Lane Nottingham UK NG7 2NR
2. The University of Nottingham; Division of Epidemiology and Public Health; Clinical Sciences Building Nottingham City Hospital NHS Trust Campus, Hucknall Road Nottingham UK NG5 1PB
3. Queen's Medical Centre; Department of Dermatology; C Floor, South Block Derby Road Nottingham UK NG7 2UH
4. John Radcliffe Hospital; Department of Plastic Surgery; Headington Oxford UK OX3 9DU
5. The University of Nottingham; c/o Cochrane Skin Group; King's Meadow Campus Lenton Lane Nottingham UK NG7 2NR
6. The University of Nottingham; School of Health Sciences; Room D83, Medical school Queens medical centre Nottingham UK NG7 2UH