1 Centre for Dermatology Research, Salford Royal NHS Foundation Trust, The University of Manchester, Manchester Academic Health Science Centre, NIHR Manchester Biomedical Research Centre, Manchester, M13 9PT, UK.
2 St John's Institute of Dermatology, King's College London and Guy's & St Thomas' NHS Foundation Trust, London, SE1 9RT, UK.
3 Galderma R&D, Lausanne, Switzerland.
4 British Association of Dermatologists, London, W1T 5HQ, UK.
5 Department of Dermatology, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan.
6 College of Medicine, Chang Gung University, Taoyuan, Taiwan.