1. The George Washington University School of Medicine and Health Sciences Washington DC USA
2. Queen's University Kingston Ontario Canada
3. SKiN Centre for Dermatology Peterborough Ontario Canada
4. Department of Dermatology Kyoto Prefectural University of Medicine Kyoto Japan
5. University of São Paulo School of Medicine São Paulo Brazil
6. St John's Institute of Dermatology Guy's & St Thomas' NHS Foundation Trust London UK
7. Alfaisal University Riyadh Saudi Arabia
8. King Faisal Specialist Hospital & Research Centre Riyadh Saudi Arabia
9. Waikato Clinical Campus, Auckland Medical School Waikato New Zealand
10. Moscow City Center of Allergy and Immunology, Clinical City Hospital 52 Moscow Russia
11. I.M. Sechenov First Moscow State Medical University (Sechenov University) Moscow Russia
12. Astana Medical University Astana Kazakhstan
13. Department of Dermatology Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel) Brussels Belgium
14. Vrije Universiteit Brussel (VUB), SKIN Research Group Brussels Belgium
15. National Medical Center Seoul South Korea
16. University of Chile Santiago Chile
17. Royal Free NHS Foundation Trust London UK
18. Department of Dermatology and Venereology Hamad Medical Corporation Doha Qatar
19. College of Health and Life Sciences Hamad‐Bin Khalifa University‐Qatar Doha Qatar
20. Department of Dermatology Weill Cornell Medicine New York New York USA
21. Department of Medicine Weill Cornell Medicine‐Qatar Doha Qatar
22. Faculty of Medicine University of Ottawa Ottawa Ontario Canada
23. The Ottawa Hospital Ottawa Ontario Canada
24. Northwestern University Feinberg School of Medicine Chicago Illinois USA
25. Department of Dermatology and Allergy Ludwig‐Maximilian University of Munich Munich Germany
26. Department of Dermatology Augsburg University Hospital Augsburg Germany
27. Comprehensive Center for Inflammatory Medicine CCIM University Hospital Schleswig‐Holstein UKSH Luebeck Germany