1. University of Tübingen; Institute of General Medicine and Interprofessional Care; Tübingen Germany
2. Nottingham University Hospitals NHS Trust; Centre of Evidence Based Dermatology; Nottingham UK
3. Healthy Mothers, Babies and Children, South Australian Health and Medical Research Institute; Women's and Children's Hospital 72 King William Road Adelaide South Australia Australia 5006
4. Coventry University; Centre for Technology Enabled Health Research (CTEHR); Priory Street Coventry UK CV1 5FB
5. St George Hospital & University of New South Wales; Department of Dermatology; Belgrave St Kogarah Sydney NSW Australia 2217
6. University of Oxford; Nuffield Department of Clinical Medicine; Oxford UK
7. Groote Schuur Hospital; Department of Dermatology; Anzio Road Observatory Cape Town Western Cape South Africa 7925