1. Department of Dermatology, University Hospital of Zurich, Zurich, Switzerland
2. Faculty of Medicine, University of Zurich, Zurich, Switzerland
3. Christine Kühne-Center for Allergy Research and Education (CK-CARE), Davos, Switzerland
4. ToxiTEN group, European Reference Network for Rare Skin Diseases (ERN-Skin), Paris, France
5. Department of Dermatology, King’s College Hospital, London, England, United Kingdom
6. Department of Dermatology, University of California, Davis, Sacramento, California
7. Department of Dermatology and Allergy, University Hospital, Ludwig-Maximilians-University (LMU) Munich, Munich, Germany
8. Dr Phillip Frost Department of Dermatology and Cutaneous Surgery, Miller School of Medicine, University of Miami, Miami, Florida
9. Department of Dermatology, Henri Mondor University Hospital, University of Paris-Est Créteil, Créteil, France
10. Toxic Bullous Dermatoses TOXIBUL Reference Center, Filière FIMARAD, AP-HP, Henri Mondor Hospital, Créteil, France
11. Univ Paris Est Créteil EpiDermE, Créteil, France
12. Division of Dermatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
13. Department of Dermatology, Clinical Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, England, United Kingdom
14. Sorbonne Université, INSERM, Institut Pierre Louis d’Epidemiologie et de Sante Publique, AP-HP Sorbonne Universite, Tenon Hospital, Department of Dermatology and Allergology, Paris, France
15. Department of Dermatology, Lyon Natecia Hospital, Lyon, France
16. Liver Intensive Therapy Unit, King’s Critical Care, King’s College Hospital, London, England, United Kingdom
17. Department of Dermatology, University Hospital Nantes, Nantes, France
18. Department of Dermatovenereology, St Anne’s Faculty Hospital, Faculty of Medicine, Masaryk University, Brno, Czech Republic
19. Department of Allergy, La Paz University Hospital, IdiPAZ, Madrid, Spain
20. PIELenRed Consortium, Madrid, Spain
21. Center for Biomedical Research Network on Rare Diseases (CIBERER U754), Madrid, Spain
22. Department of Dermatology, University of Kansas, Kansas City
23. Department of Dermatology, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
24. Department of Dermatology, University of California, San Francisco
25. Department of Dermatology, Bichat–Claude Bernard Hospital, Paris Diderot University, Paris, France
26. Center of Rare Diseases IDI-IRCCS, Rome, Italy
27. Department of Dermatology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
28. Department of Dermatology, Emek Medical Center, Afula, Israel
29. Division of Dermatology, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
30. Ruth and Bruce Rappaport Faculty of Medicine, Technion–Israel Institute of Technology, Haifa, Israel
31. Department of Dermatology, Miller School of Medicine, University of Miami, Miami, Florida
32. Department of Dermatology, University of Debrecen, Debrecen, Hungary
33. Department of Dermatology and Allergy Center, Odense University Hospital, University of Southern Denmark, Odense, Denmark
34. Department of Dermatology, Singapore General Hospital, Singapore, Singapore
35. Center for Blistering Diseases, Department of Dermatology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
36. Division of Allergology and Clinical Immunology, Department of Pneumology and Allergology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
37. Department of Dermatology, The Ohio State University, Columbus, Ohio
38. Department of Skin and Venereal Diseases, Lithuanian University of Health Sciences (LUHS), Hospital of LUHS Kauno Klinikos, Kaunas, Lithuania
39. Regional Pharmacovigilance Centre, Pitié-Salpêtrière Hospital, APHP, Sorbonne Université, Paris, France
40. Department of Paediatric Dermatology, Colentina University Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
41. Department of Dermatology and Allergology, University Hospital Salzburg of the Paracelsus Medical University, Salzburg, Austria
42. Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, Philadelphia
43. Images in Dermatology Editor, JAMA Dermatology
44. Department of Dermatology, University Hospital of Bordeaux, Bordeaux, France
45. Department of Dermatology, Nara Medical University, Kashihara, Japan
46. Department of Dermatology, Ospedale San Bortolo, Vicenza, Italy
47. Department of Medicine and Pharmacology, Vanderbilt University Medical Center, Nashville, Tennessee
48. Department of Skin and Allergic Diseases, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
49. CHU Lille, Department of Dermatology, Univ Lille, INSERM U1286, Lille Inflammation Translational Research Institute (INFINITE) F-59000, Lille, France
50. Department of Oral Medicine, Guy’s and St Thomas’ NHS Foundation Trust, London, England, United Kingdom
51. Editor, JAMA Dermatology
52. Department of Dermatology, Kyorin University School of Medicine, Mitaka, Japan
53. Department of Dermatology and Allergology, Tenon Hospital, Sorbonne Universite, Paris, France
54. Department of Dermatology II, Colentina Clinical Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
55. Department of Dermatology and Allergy, Hannover Medical School, Hannover, Germany
56. Department of Dermatology, University Hospital Lübeck, Lübeck, Germany
57. Department of Dermatology, Keck School of Medicine, University of Southern California, Los Angeles