1. Department of Dermatology and Reference Center for Rare Skin Diseases Hôpital Necker‐Enfants Malades, AP‐HP Centre Université Paris Cité Paris France
2. INSERM U1163 Institut Imagine, Hôpital Universitaire Necker‐Enfants Malades Paris France
3. Laboratory of Biochemistry Hôpital Necker‐Enfants Malades, AP‐HP Centre Université Paris Cité Paris France
4. Laboratory of the Ile‐de‐France Newborn Screening Hôpital Necker‐Enfants Malades, AP‐HP Centre Université Paris Cité Paris France
5. Reference Center for Rare Diseases: Cystic Fibrosis and Other Epithelial Respiratory Protein Misfolding Diseases Hôpital Necker‐Enfants Malades, AP‐HP Centre Université Paris Cité Paris France
6. INSERM U1151 Institut Necker‐Enfants Malades, Université Paris Cité Paris France
7. Division of Dermatology, Pediatric Dermatology Clinic, Dana‐Dwek Children's Hospital Israel Sourasky Medical Center Tel Aviv Israel
8. Sackler Faculty of Medicine Tel Aviv University Tel Aviv Israel