Affiliation: | 1. Department of Dermatology, Reference Center for Genodermatoses and Rare Skin Diseases (MAGEC), Institut Imagine, H?pital Universitaire Necker‐Enfants Malades, AP‐HP, Paris, France;2. INSERM U781, Institut Imagine, Paris, France;3. Université Paris Descartes‐Sorbonne Paris Cité, Paris, France;4. Correspondence to:;5. Smail Hadj‐Rabia, Department of Dermatology, Reference Center for Genodermatoses and Rare Skin Diseases (MAGEC), Université Paris Descartes‐Sorbonne Paris Cité, Institut Imagine, H?pital Universitaire Necker‐Enfants Malades, 149 rue de Sèvres, 75015 Paris, France.;6. E‐mail:;7. INSERM, UMR669, Université Paris‐Sud et Paris Descartes, Service de Pédopsychiatrie, H?pital Universitaire Necker Enfants‐Malades, Service de Pédiatrie, H?pitaux Universitaires Paris Centre Cochin‐Port‐Royal, AP‐HP, Paris, France |