1. Department of Dermatology and Reference Center for Genodermatoses and Rare Skin Diseases (MAGEC) Université Paris, Paris‐Centre, Institut Imagine, Hôpital Universitaire Necker‐Enfants Malades, APHP Paris France
2. Department of Orthopedic Surgery Hôpital Universitaire Trousseau, Sorbonne Université, APHP Paris France
3. Department of Pediatric Radiology Hôpital Universitaire Trousseau, APHP Paris France
4. Department of Pathology Hôpital Universitaire Trousseau, APHP Paris France
5. Department of Pathology Hôpital Universitaire Necker‐Enfants Malades, APHP Paris France
6. Department of Pediatrics Hôpital Universitaire Trousseau, Sorbonne Université, APHP Paris France