1. Medical Genetics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA
2. Department of Cell Biology, Erasmus MC, Rotterdam, The Netherlands
3. Department of Pediatrics, Division of Neurology, University of Pittsburgh, Pittsburgh, PA, USA
4. Greenwood Genetic Center, JC Self Research Institute of Human Genetics, Greenwood, SC, USA
5. Department of Neurology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
6. Department of Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
7. Department of Pediatrics, University of Washington, Seattle, WA, USA
8. Division of Clinical Genetics, Department of Pediatrics, Madigan Army Hospital, Tacoma, WA, USA
9. Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, USA
10. Molecular and Environmental Toxicology Center, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA
11. Children’s Health Research Institute, London, ON, Canada
12. Department of Pediatrics, ASST Papa Giovanni XXIII, Bergamo, Italy
13. Laboratorio di Genetica Medica, ASST Papa Giovanni XXIII, Bergamo, Italy
14. Genomic Medicine Institute, Cleveland Clinic, Cleveland, OH, USA
15. Peyton Manning Children’s Hospital at St. Vincent, Medical Genetics and Neurodevelopment Center, Indianapolis, IN, USA
16. Texas Scottish Rite Hospital for Children, Dallas, TX, USA
17. Department of Neurology and Neurotherapeutics UT Southwestern Medical Center Dallas, TX, USA
18. Pediatric Neurology, Synapses Child Neurology and Development Centre, Thane, Maharashtra, India
19. Sheffield Clinical Genetics Service, Sheffield Children’s, NHS Foundation Trust, Sheffield, UK
20. Academic Unit of Child Health, University of Sheffield, Sheffield, UK
21. Medical Genetics, Medical Faculty, Koç University, Istanbul, Turkey
22. The Division of Genetics, The Children’s Hospital of Philadelphia, Philadelphia, PA, USA
23. The Department of Pediatrics, The Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA, USA