1. International League of Dermatological Societies; 4 Fitzroy Square London W1T 5HQ U.K
2. King's College London; King's College Hospital NHS Trust; London U.K
3. Institute for Health Services Research in Dermatology and Nursing (IVDP); University Medical Center Hamburg-Eppendorf; Martinistraße 52 D-20246 Hamburg Germany
4. Dermatology Centre; Salford Royal NHS Foundation Trust; Manchester Academic Health Science Centre; University of Manchester; Manchester U.K
5. Department of Dermatology; Charité University Medicine; Berlin Germany