1. Department of Dermatology, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
2. Department of Dermatology, Manchester University Foundation Trust, Manchester, UK
3. Department of Clinical Sciences and International Public Health, The Liverpool School of Tropical Medicine, Liverpool, UK
4. Department of Dermatology, Yale School of Medicine, Yale University, New Haven, Connecticut
5. Department of Dermatology, Cleveland Clinic, Cleveland, Ohio
6. Department of Dermatology, Lady Hardinge Medical College and Associated Hospitals, New Delhi, India
7. Department of Dermatology, St George Hospital, Sydney, New South Wales, Australia
8. Faculty of Medicine, University of New South Wales, Sydney, New South Wales, Australia
9. Department of Dermatology, Emek Medical Center, Afula, Israel
10. Department of Dermatology, Bruce Rappaport Faculty of Medicine, Technion Institute of Technology, Haifa, Israel
11. Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Canada