1. Department of Dermatology Centre Hospitalier Universitaire d’Amiens Amiens France
2. Department of Medical Genetics Henri Mondor University Hospital, AP‐HP, INSERM, IMRB, Paris Est Créteil University Créteil France
3. Department of Dermatology and Pediatric Dermatology, National Reference Centre for Rare Disorders Hôpital des Enfants Pellegrin, Centre Hospitalier Universitaire de Bordeaux Bordeaux France