1. Department of Medical Genetics; University Medical Centre Utrecht; Utrecht The Netherlands
2. Department of Radiology; University Medical Centre Utrecht; Utrecht The Netherlands
3. Department of Otorhinolaryngology and Head and Neck Surgery; Rudolf Magnus Institute of Neuroscience; University Medical Centre Utrecht; Utrecht The Netherlands
4. Department of Life Style; TNO; Leiden The Netherlands
5. Department of Ophthalmology; University Hospital Ghent; Ghent Belgium
6. Department of Genetics, INSERM UMR_1163, Paris Descartes-Sorbonne Paris Cité University, Imagine Institute; Hôpital Necker-Enfants Malades; Paris France
7. Academic Department of Medical Genetics; Discipline of Genetic Medicine, The University of Sydney; Sydney Children's Hospital Network (Westmead); Sydney Australia
8. Department of Clinical Genetics; Erasmus Medical Centre; University Medical Centre; Rotterdam The Netherlands
9. Department of Clinical Genetics; St. Michael's Hospital; Bristol United Kingdom
10. Department of Human Genetics; Nijmegen Centre for Molecular Life Sciences; Institute for Genetic and Metabolic Disease; Radboud University Medical Centre; Nijmegen The Netherlands
11. Manchester Centre For Genomic Medicine, University of Manchester; St Mary's Hospital; Manchester United Kingdom
12. Department of Clinical Genetics; Southern General Hospital; Glasgow United Kingdom
13. SW Thames Regional Genetics Service; St George's NHS Trust; London United Kingdom
14. Department of Genetics; Nepean Hospital; Penrith Australia
15. Department of Genetics; University Medical Centre Groningen; Groningen The Netherlands
16. Centre for Inherited Metabolic Diseases; Department of Clinical Genetics; Copenhagen University Hospital; Copenhagen Denmark
17. Department of Pediatrics; Academic Medical Centre; University of Amsterdam; Amsterdam The Netherlands
18. Unité de Génétique Médicale et Laboratoire Associé Institut National de la Santé et de la Recherche Médicale UMR-S910; Université Saint-Joseph; Beirut Lebanon
19. Department of Clinical Genetics; Great Ormond Street Hospital; London United Kingdom
20. Department of Clinical Genetics; Churchill Hospital; Oxford United Kingdom
21. Pediatric Genetics Unit; Department of Pediatrics; Acibadem University School of Medicine; Istanbul Turkey
22. Department of Immunology; Genetics and Pathology; Science for Life Laboratory; Uppsala University; Uppsala Sweden
23. Institute of Human Genetics; University of Bonn; Bonn Germany
24. Service de Génétique Clinique; Hôpital Jeanne de Flandre; Lille France
25. Service de Génétique Médicale; CHU de Nantes; Nantes France
26. Department of Clinical Genetics; VU University Medical Centre; Amsterdam The Netherlands
27. Department of Medical Genetics; Antwerp University Hospital; University of Antwerp; Edegem Belgium
28. National Centre for Medical Genetics and School of Medicine and Medical Science; University College Dublin, Our Lady's Hospital Crumlin; Dublin Ireland
29. H.C. Andersen Children's Hospital; Odense University Hospital; Odense Denmark
30. Department of Clinical Genetics; Guy's Hospital; London United Kingdom
31. Department of Clinical Genetics; Leiden University Medical Centre; Leiden The Netherlands
32. Department of Clinical Genetics; Rigshospitalet; Copenhagen Denmark
33. Institute of Medical Genetics; Meir Medical Centre, Kfar Saba, and Sackler School of Medicine Tel Aviv University; Tel Aviv Israel
34. Division of Metabolism, Children's Research Centre, Connective Tissue Unit; University Children's Hospital Zurich; Zurich Switzerland
35. Kinderspital Lűzern; Lűzern Switzerland
36. Nottingham Clinical Genetics Service, City Hospital Campus; Nottingham University Hospitals NHS Trust; Nottingham United Kingdom
37. SA Clinical Genetics, SA Pathology at the Women's and Children's Hospital, North Adelaide, South Australia, Australia and Department of Paediatrics; University of Adelaide; Adelaide North Terrace, South Australia
38. Medical Genetics, School of Medicine, Coll Med Vet and Life Sci; University of Glasgow; Glasgow Scotland
39. Service de Génétique; Hôpital Bretonneau; Tours France
40. Department of Clinical Genetics; Maastricht University Medical Centre; Maastricht The Netherlands
41. North West Thames Regional Genetic Service; North West London Hospitals NHS Trust; London United Kingdom
42. Department of Medical Genetics; Ghent University Hospital; Ghent Belgium
43. Ghent University; Ghent Belgium