1. Dermatology Department AP‐HP CHU Necker‐Enfants Malades Paris Centre University Paris France
2. Dermatology Department AP‐HP CHU Henri Mondor Créteil France
3. Reference Centre for Toxic Bullous Diseases and Severe Drug Reactions TOXIBUL AP‐HP Hôpital Henri‐Mondor UPEC Créteil France
4. Pathology Department AP‐HP CHU Necker‐Enfants Malades Paris France
5. Dermatology Department CHU Pellegrin‐Enfants Bordeaux France
6. Dermatology Department CHU Charles Nicolle Rouen France
7. Dermatology Department CHRU Morvan Brest France
8. Dermatology Department CHU Hôtel‐Dieu Nantes France
9. Dermatology Department CHU Saint‐Eloi Montpellier France
10. Department of Dermatology and Clinical Immunology Guadeloupe University Hospital Pointe‐à‐Pitre Guadeloupe
11. Normandie University UNIROUEN IRIB Inserm U1234 Rouen France
12. Dermatology Department CHU Edouard Herriot Lyon France
13. Dermatology Department CHU Larrey Toulouse France
14. Intensive Care Unit CHU Necker‐Enfants Malades Paris France
15. Univ Paris Est Creteil EpidermE Créteil France