1. Department of Clinical GeneticsMaastricht University Medical Center+ azM, Maastricht The Netherlands
2. Department of Genetics and Cell Biology, Faculty of Health Medicine Life Sciences, Maastricht University Medical Center+Maastricht University Maastricht The Netherlands
3. Research Group Development and DiseaseMax Planck Institute for Molecular Genetics Berlin Germany
4. Catholic University of the Sacred Heart Rome Italy
5. Center for the Study of Rare Inherited Diseases (CeSMER)Niguarda Ca' Granda Metropolitan Hospital Milan Italy
6. Service de Génétique Médicale, CHUV Lausanne Switzerland
7. Laboratories, Pharmacy and Biomedical Genetics DivisionUniversity Medical Centre Utrecht Utrecht The Netherlands
8. Department of Pediatrics, Division of Medical GeneticsUniversity of Mississippi Medical Center Jackson Mississippi
9. Wessex Clinical Genetics ServiceUniversity Hospital Southampton NHS Foundation Trust Southampton UK
10. Division of Genetics, Department of PediatricsUniversity of California San Francisco California
11. MVZ für Humangenetik und Molekularpathologie GmbH Greifswald Germany
12. The Department of Neurology and NeurosurgeryThe Children’s Hospital at Westmead Westmead NSW Australia
13. Munroe‐Meyer Institute for Genetics & RehabilitationUniversity of Nebraska Medical Center Omaha Nebraska
14. Hospital Universitario QuirónsaludUniversidad Europea de Madrid Madrid Spain
15. Department of Obstetrics and Gynecology, Prenatal Diagnostics & TherapyMaastricht University Medical Center+ Maastricht The Netherlands
16. Klinik für Kinder‐ und JugendmedizinUniversitätsmedizin Greifswald Greifswald Germany
17. Department of NeurologyMaastricht University Medical Center+ Maastricht The Netherlands
18. SA Clinical Genetics ServiceWomen's and Children's Hospital North Adelaide SA Australia
19. Department of Clinical GeneticsAmsterdam UMC Amsterdam The Netherlands
20. Faculty of MedicineUniversity of Southampton Southampton UK
21. City Hospital CampusNottingham University Hospitals NHS Trust Nottingham UK
22. Institute of Human GeneticsWestfälische Wilhelms Universität Münster Münster Germany
23. Department of Pediatrics, Division of Pediatric NeurologyUniversity of Mississippi Medical Center Jackson Mississippi
24. Department of NeurologyBoston Children’s Hospital and Harvard Medical School Boston Massachusetts
25. Broad Institute of MIT and Harvard Cambridge Massachusetts
26. Department of OphthalmologyBoston Children’s Hospital and Harvard Medical School Boston Massachusetts
27. Howard Hughes Medical Institute Chevy Chase Maryland
28. Department of Medical GeneticsHaukeland University Hospital Bergen Norway
29. Human Development and Health, Faculty of MedicineUniversity of Southampton UK
30. West of Scotland Regional Genetic CentreQueen Elizabeth University Hospital Glasgow Scotland UK
31. Department of Pediatrics, Munroe‐Meyer Institute for Genetics & RehabilitationUniversity of Nebraska Medical Center Omaha Nebraska
32. Department of PediatricsAmsterdam UMC Amsterdam The Netherlands
33. Department of Chemistry and Biological ScienceCollege of Science and Engineering, Aoyama Gakuin University Sagamihara Japan