1. Department of Neuromuscular Diseases University College London Institute of Neurology London UK
2. Department of Neurology and Neurosurgery Institute of Emergency Medicine Chisinau Moldova
3. Department of Genetics KFSHRC Riyadh Saudi Arabia
4. Institute of Human Genetics University Hospital Hamburg‐Eppendorf Hamburg Germany
5. Genetics Department University ‘Victor Babes’ Timisoara Romania
6. Genetics Research Centre, Molecular and Clinical Sciences Institute St George's University of London LondonUK
7. Brain Repair and Rehabilitation University College London Institute of Neurology London UK
8. Barrow Neurological Institute Phoenix Children's Hospital Phoenix AZUSA
9. Department of Child Health, Cellular and Molecular Medicine Department of Neurology University of Arizona College of Medicine Phoenix Phoenix AZ USA
10. Medical Genetics KFSHRC Riyadh Saudi Arabia
11. Clinical and Experimental Epilepsy University College London Institute of Neurology London UK
12. Department of Paediatrics University Hospital Hamburg‐Eppendorf Hamburg Germany
13. Great Ormond Street Hospitals London UK
14. Department of Paediatric Diseases Faculty of Medicine Mashhad University of Medical Sciences Mashhad Iran
15. Department of Neurology and Psychiatry Assiut University Hospital Assiut Egypt
16. Neurology Division, Department of Pediatrics College of Medicine, King Saud University KFSHRC Riyadh Saudi Arabia
17. Department of Radiology & Medical Imaging College of Medicine, King Saud University KFSHRC Riyadh Saudi Arabia
18. Department of Biostatistics, Epidemiology and Scientific Computing KFSHRC Riyadh Saudi Arabia