1. Dermatology and Reference Center for Genodermatoses and Rare Skin Diseases (MAGEC) Université de Paris Centre Institut Imagine Hôpital Universitaire Necker‐Enfants Malades APHP Paris France
2. Department of Pathology Necker‐Enfants Malades Hospital APHP Paris France
3. Department of Immunology APHP Bichat Hospital Inserm UMR 1152 Université Paris Diderot Paris 7 Paris France