1. IRIBHM; Campus Erasme; ULB Bâtiment C; Bruxelles Belgium
2. Department of Medical Genetics; Reference Center for Skeletal Dysplasia; INSERM UMR 1163; Laboratory of Molecular and Physiopathological Bases of Osteochondrodysplasia; Paris Descartes-Sorbonne Paris Cité University; AP-HP; Institut Imagine; Paris France
3. Hôpital Universitaire Necker-Enfants Malades; Paris France
4. Medical Genetics Unit; Hospital Pediátrico; Centro Hospitalare Universitário de Coimbra; Coimbra Portugal
5. Northern Genetics Service; Newcastle-upon-Tyne Hospitals; Newcastle- upon-Tyne UK