1. Center for Medical GeneticsGhent University Hospital Ghent Belgium
2. Reference Centre for Genodermatoses and Rare Skin Diseases (MAGEC) & Department of DermatologyDepartment of Paediatric Social WorkINSERM U1163 & Institut ImagineHôpital Universitaire Necker‐Enfants Malades, APHPUniversité Paris Descartes ‐ Sorbonne Paris Cité Paris France
3. West Midlands Regional Clinical Genetics ServiceClinical Genetics UnitBirmingham Women's and Children's NHS Foundation Trust Birmingham UK
4. Department of Medical GeneticsKanuni Sultan Suleyman Training and Research HospitalHealth Sciences University Istanbul Turkey
5. Center for PediatricsCHU Farhat Hached De Sousse Sousse Tunisia
6. Department of Medical GeneticsCentre Hospitalier Régional Universitaire de Nîmes Nîmes France
7. Department of Pediatric GeneticsFaculty of MedicineOndokuz Mayis University Samsun Turkey
8. Service d'Hématologie CliniqueCentre de Traitement de l'HémophilieHôpital Universitaire Necker‐Enfants Malades Paris France
9. Department of Clinical Biology & INSERM UMR‐S1176Foch Hospital Suresnes Le Kremlin‐Bicêtre France
10. Service de DermatologieFaculté de Médecine d'AlgerUniversité d'Alger Alger Algeria