1. Department of Child Neurology; VU University Medical Center; Amsterdam The Netherlands
2. Neuroscience Campus Amsterdam; VU University; Amsterdam The Netherlands
3. Nemours Biomedical Research; Alfred I. duPont Hospital for Children; Wilmington Delaware
4. Department of Clinical Genetics; VU University Medical Center; Amsterdam The Netherlands
5. Unit for Neuromuscular and Neurodegenerative Diseases; Laboratory of Molecular Medicine; Bambino Gesu’ Children's Research Hospital, IRCCS; Rome Italy
6. Department of Pediatrics; McMaster Children's Hospital; Hamilton Ontario Canada
7. Child Neuropsychiatry Unit; Department of Brain and Behavioral Sciences; University of Pavia; Pavia Italy
8. Department of Medicine and Surgery; University of Salerno; Salerno Italy
9. CSS-Mendel Institute; IRCCS Casa Sollievo della Sofferenza; San Giovanni Rotondo Italy
10. Division of Pediatric Neurology; Departments of Pediatrics, Neurology and Neurosurgery; Montreal Children's Hospital; McGill University Health Center; Montreal Quebec Canada
11. Department of Pediatric Neurology; Erasmus University Hospital - Sophia Children's Hospital; Rotterdam The Netherlands
12. Division of Biochemical Diseases; Department of Pediatrics; BC Children's Hospital; Centre for Molecular Medicine and Therapeutics; University of British Columbia; Vancouver Canada
13. Centre for Rare diseases; Department of Paediatrics; Aarhus University Hospital; Aarhus Denmark
14. Department of Child Neurology; Kaiser Permanente Pediatric Specialties; Roseville California
15. Department of Pediatric Neurology; Hamad Medical Corp; Doha Qatar
16. Department of Child Neurology; Radboud University Medical Center; Nijmegen The Netherlands
17. Department of Medical Genetics; University of British Colombia; Vancouver Canada
18. Child Neurology and Psychiatry Unit; C. Mondino National Neurological Institute; Pavia Italy
19. Department of Functional Genomics; Center for Neurogenomics and Cognitive Research; VU University; Amsterdam The Netherlands
20. Department of Biological Sciences; University of Delaware; Newark Delaware
21. Department of Pediatrics; Jefferson Medical College; Thomas Jefferson University; Philadelphia Pennsylvania