1. Division of Clinical and Metabolic Genetics, The Hospital for Sick Children , Toronto, ON M5G 1X8 , Canada
2. Genetics and Genome Biology, Research Institute, The Hospital for Sick Children , Toronto, ON M5G 0A4 , Canada
3. Department of Clinical Genetics, University Hospitals Bristol NHS Foundation Trust , Bristol, BS2 8EG , UK
4. Molecular Genetics, Royal Devon & Exeter NHS Foundation Trust , Exeter, EX2 5DW , UK
5. MRC Epidemiology Unit, Institute of Metabolic Science, University of Cambridge , Cambridge, CB2 0SL , UK
6. Zebrafish Genetics and Disease Models Core Facility, The Hospital for Sick Children , Toronto, ON M5G 0A4 , Canada
7. The Centre for Applied Genomics, Genetics, and Genome Biology, The Hospital for Sick Children , Toronto, ON M5G 0A4 , Canada
8. Epilepsy Genetics Program, Department of Neurology, Boston Children’s Hospital , Boston, MA 02115 , USA
9. Fetal-Neonatal Neurology Program, Department of Neurology, Boston Children’s Hospital , Boston, MA 02115 , USA
10. F.M. Kirby Neurobiology Center, Boston Children’s Hospital , Boston, MA 02115 , USA
11. Department of Neurology, Harvard Medical School , Boston, MA 02115 , USA
12. Department of Genetics and Reference Center for Developmental Disorders, Normandy Center for Genomic and Personalized Medicine, UNIROUEN, INSERM U1245 and Rouen University Hospital, Normandie University , F 76000 Rouen , France
13. Department of Neonatology and Pediatric Intensive Care-Pediatric Neurology, Rouen University Hospital, and INSERM U1245, Normandie University, UNIROUEN , 76000 Rouen , France
14. Department of Genetics, Children’s Hospital of New Orleans , New Orleans, LA 70118 , USA
15. Department of Pediatrics, Louisiana State University Health Sciences Center , New Orleans, LA 70112 , USA
16. Department of Pediatrics, University of Wisconsin–Madison , Madison, WI 53792 , USA
17. Pediatric Specialists of Virginia , Fairfax, VA 22031 , USA
18. Department of Neurology, Johns Hopkins University School of Medicine , Baltimore, MA 21287 , USA
19. Division of Neurogenetics, Kennedy Krieger Institute , Baltimore, MA 21205 , USA
20. Department of Clinical Genomics, Mayo Clinic , Rochester, NY 55905 , USA
21. Department of Clinical Genetics, Service de Génétique, CHU de Poitiers , CS 90577 - 86021 Poitiers Cedex , France
22. EA3808 NEUVACOD, University of Poitiers , 86073 Poitiers , France
23. Department of Pathology, Normandy Centre for Genomic and Personalized Medicine, Normandie Univeristy, UNIROUEN, INSERM U1245 and Rouen University Hospital , F76000 Rouen , France
24. Translational Genomics Research Institute, Center for Rare Childhood Disorders , Phoenix, AZ 85004 , USA
25. GeneDx , Gaithersburg, MD 20877 , USA
26. Department of Pediatrics, McMaster University , Hamilton, ON L8S 4K1 , Canada
27. Rady Children’s Institute for Genomic Medicine , San Diego, CA 92123 , USA
28. Department of Neurosciences, University of California San Diego , San Diego, CA 92093 , USA
29. Department of Pediatrics, University of California San Diego , San Diego, CA 92093 , USA
30. Département de Génétique, Assistance Publique des Hôpitaux de Paris (AP-HP) Hôpital Robert Debré , 75019 Paris , France
31. Mendelics Genomic Analysis , Sao Paulo CEP 02511-000 , Brazil
32. Department of Pediatrics, Federal University of Minas Gerais School of Medicine , Belo Horizonte - MG - CEP 31270-901 , Brazil
33. Department of Diagnostic Imaging, The Hospital for Sick Children , Toronto, ON M5G 1X8 , Canada
34. Division of Neurology, The Hospital for Sick Children , Toronto, ON M5G1X8 , Canada
35. Department of Molecular Genetics, Faculty of Medicine, University of Toronto , Toronto, ON M5S 1A8 , Canada
36. Institutes of Medical Sciences, University of Toronto , Toronto, ON M5S 1A8 , Canada