1. Clinical Genetics Group, MRC Weatherall Institute of Molecular Medicine University of Oxford Oxford UK
2. Centre for Computational Biology, MRC Weatherall Institute of Molecular Medicine University of Oxford Oxford UK
3. Oxford Centre for Genomic Medicine, Nuffield Orthopaedic Centre Oxford University Hospitals NHS Foundation Trust Oxford UK
4. UF Cytogénomique des Déficiences Intellectuelles et Anomalies du Développement, Institut de Génétique Médicale Hôpital Jeanne de Flandre CHRU Lille France
5. CHU Lille Clinique de Génétique "Guy Fontaine" Lille France
6. Nottingham Regional Genetics Service, City Hospital Campus Nottingham University Hospitals NHS Trust Nottingham UK
7. Sheffield Regional Genetics Services Sheffield Children's NHS Trust Sheffield UK
8. Wessex Clinical Genetics Service University Hospital Southampton, Princess Anne Hospital Southampton UK
9. Human Development and Health, Faculty of Medicine University of Southampton Southampton UK
10. West Midlands Regional Clinical Genetics Service and Birmingham Health Partners Birmingham Women's and Children's Hospitals NHS Foundation Trust Birmingham UK
11. Leicestershire Genetics Centre University Hospitals of Leicester NHS Trust, Leicester Royal Infirmary NHS Trust Leicester UK
12. Craniofacial Unit Oxford University Hospitals NHS Trust, John Radcliffe Hospital Oxford UK