1. Dermatology Department AP‐HP Henri Mondor Hospital 51 avenue du Maréchal de Lattre de Tassigny 94010 Créteil France
2. FISARD Group Paris France
3. Reference Center for Toxic Bullous Diseases and Severe Drug Reactions Créteil France
4. Dermatology Department Hôtel Dieu Hospital Nantes France
5. Dermatology Department AP‐HP Cochin‐Tarnier Hospital Paris France
6. Dermatology Department AP‐HP Tenon Hospital Paris France
7. Department of Pharmacovigilance AP‐HP Pitié‐Salpêtrière Hospital Paris France