1. Department of Dermatology Chang Gung Memorial Hospital, Linkou Taoyuan Taiwan
2. College of Medicine Chang Gung University Taoyuan Taiwan
3. Department of Dermatology Wan Fang Hospital, Taipei Medical University Taipei Taiwan
4. Medical Library, Department of Medical Education Chang Gung Memorial Hospital, Linkou Taoyuan Taiwan
5. Dermatology Centre Salford Royal NHS Foundation Trust, NIHR Manchester Biomedical Research Centre, Manchester Academic Health Science Centre Manchester UK
6. Division of Musculoskeletal and Dermatological Sciences, School of Biological Sciences, Faculty of Biology Medicine and Health, The University of Manchester Manchester UK
7. Unit for Population‐Based Dermatology Research, St John’s Institute of Dermatology King’s College London and Guy’s & St Thomas’ Hospital NHS Foundation Trust London UK