1. Department of Dermatology and Allergology Charles Nicolle University Hospital Rouen France
2. ToxiTEN Group, European Reference Network for Rare Skin Diseases (ERN Skin) Paris France
3. Toxic Bullous Dermatoses and Severe Drug Reactions TOXIBUL Reference Center AP‐HP, Henri Mondor Hospital Créteil France
4. Department of Dermatology King's College Hospital London UK
5. Department of Dermatology University Hospital of Bordeaux Bordeaux France
6. Department of Dermatology, Faculty of Medicine University of Debrecen Debrecen Hungary
7. Lübeck Institute of Experimental Dermatology University of Lübeck Lübeck Germany
8. Department of Dermatology University Medical Center Schleswig‐Holstein Lübeck Germany
9. Department of Dermatology II, Colentina Clinical Hospital Carol Davila University of Medicine and Pharmacy Bucharest Romania
10. Center of Rare Diseases IDI‐IRCCS‐Rome Rome Italy
11. Department of Dermatology Necker‐Enfants Malades University Hospital Paris France
12. Department of Skin and Venereal Diseases Lithuanian University of Health Sciences (LUHS), Hospital of LUHS Kauno Klinikos Kaunas Lithuania
13. Department of Dermatology Edouard Herriot University Hospital Lyon France
14. Department of Dermatovenereology, Faculty of Medicine, St. Ann's University Hospital Masaryk University Brno Czech Republic
15. Department of Paediatric Dermatology, Colentina University Hospital Carol Davila University of Medicine and Pharmacy Bucharest Romania
16. Department of Dermatology University Hospitals Birmingham Birmingham UK
17. Birmingham Children's Hospital Birmingham Women's and Children's NHS Foundation Trust Birmingham UK
18. Department of Dermatology Christian‐Albrechts‐University Kiel Kiel Germany
19. Department of Dermatology and Allergology, Tenon Hospital Sorbonne Université, INSERM, Institut Pierre Louis d'Epidemiologie et de Sante Publique, AP‐HP Sorbonne Universite Paris France
20. Department of Dermatology and Allergy Center, Odense University Hospital University of Southern Denmark Odense Denmark
21. Department of Dermatology, Center for Blistering Diseases, University Medical Center Groningen University of Groningen Groningen The Netherlands
22. Department of Dermatology and Allergology University Hospital Salzburg of the Paracelsus Medical University Salzburg Salzburg Austria
23. Regional Pharmacovigilance Centre Pitié‐Salpêtrière Hospital, APHP, Sorbonne Université Paris France
24. Department of Dermatology University Hospital of Zurich Zurich Switzerland
25. Faculty of Medicine University of Zurich Zurich Switzerland
26. Christine Kühne‐Center for Allergy Research and Education Davos (CK‐CARE) Davos Switzerland
27. Department of Dermatology and Allergy, University Hospital Ludwig Maximilian University (LMU) Munich Munich Germany
28. Dr. Philip Frost Department of Dermatology and Cutaneous Surgery University of Miami Miller School of Medicine Miami Florida USA
29. Department of Dermatology AP‐HP, Henri Mondor University Hospital Créteil France
30. Univ Paris Est Créteil EpiDermE Créteil France