1. Department of Molecular and Human GeneticsBaylor College of MedicineHouston Texas
2. Programa de Pós‐Graduação em Genética Departmento de Biologia GeralUFMGBelo Horizonte Minas Gerais Brazil
3. Instituto René RachouFIOCRUZBelo Horizonte Minas Gerais Brazil
4. Regeneron Genetics CenterRegeneron Pharmaceuticals, IncTarrytown New York
5. Medical Genetics DivisionIRCCS “Casa Sollievo della Sofferenza” FoundationSan Giovanni Rotondo (FG) Italy
6. Department of NeurologyWashington University School of MedicineSt. Louis Missouri
7. Division of Medical Genetics, Department of PediatricsStanford University School of MedicinePalo Alto California
8. Department of PathologyStanford University School of MedicinePalo Alto California
9. Department of GeneticsStanford University School of MedicinePalo Alto California
10. Departments of Neurology and PediatricsJohns Hopkins University School of MedicineBaltimore Maryland
11. Department of NeurogeneticsKennedy Krieger InstituteBaltimore Maryland
12. Department of NeurologyBoston Children's HospitalBoston Massachusetts
13. Molecular Diagnostic LaboratoryGreenwood Genetic CenterGreenwood South Carolina
14. Nemours Biomedical ResearchNemours/Alfred I. duPont Hospital for ChildrenWilmington Delaware
15. Clinical GenomicsWuXi NextCODECambridge Massachusetts
16. Department of Physiology and Biophysics, College of MedicineUniversity of Arkansas for Medical SciencesLittle Rock Arkansas
17. Department of Mental Retardation and Birth Defect Research, National Institute of NeuroscienceNational Center of Neurology and PsychiatryKodaira Japan
18. State Key Laboratory of Genetic Engineering at School of Life Sciences, Obstetrics and Gynecology Hospital, Institute of Reproduction and DevelopmentFudan UniversityShanghai China
19. Section of Neurology, Department of PediatricsBaylor College of MedicineHouston Texas
20. Human Genome Sequencing CenterBaylor College of MedicineHouston Texas
21. Department of PediatricsBaylor College of MedicineHouston Texas
22. Texas Children's HospitalHouston Texas