1. Lübeck Institute of Experimental Dermatology University of Lübeck Lübeck Germany
2. Azrieli Faculty of Medicine Bar‐Ilan University Safed Israel
3. Department of Dermatology University Hospital of Zurich Zurich Switzerland
4. Faculty of Medicine University of Zurich Zurich Switzerland
5. Medical Campus Davos Davos Switzerland
6. ToxiTEN Group European Reference Network for Rare Skin Diseases (ERN‐Skin)
7. Department of Dermatology King's College Hospital London UK
8. Reference Center for Toxic Bullous Diseases and Severe Drug Reactions TOXIBUL Créteil France
9. Department of Dermatology Edouard Herriot Hospital Lyon France
10. Department of Dermatology, Allergology and Venereology University of Helsinki and Helsinki University Hospital, Inflammation Center Helsinki Finland
11. Department of Dermatology University Hospital, Munich University of Ludwig Maximilian Munich Germany
12. Department of Dermatology and Allergology University Hospital Salzburg of the Paracelsus Medical University Salzburg Salzburg Austria
13. Queen Elizabeth Hospital Birmingham University Hospital Birmingham NHS Foundation Trust Birmingham UK
14. Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, Miller School of Medicine University of Miami Miami Florida USA
15. Department of Dermatology University Medical Center Schleswig‐Holstein Lübeck Germany
16. Department of Dermatology AP‐HP, Henri Mondor Hospital Créteil France
17. Univ Paris Est Créteil EpiDermE Créteil France