1. Division of Human Genetics and Genome Research, Department of Clinical Genetics, National Research Center, Cairo, Egypt
2. Division of Human Genetics and Genome Research, Department of Medical Genetics, National Research Center, Cairo, Egypt
3. National Reference Center for Rare Diseases “leukodystrophies,” INSERM U676, Université Paris Diderot, Sorbonne Paris Cité Université, Paris, France
4. Department of Paediatrics, Rainbow House NHS Ayrshire & Arran, Irvine, Scotland, United Kingdom
5. Department of Neurosciences, University of California, San Diego, La Jolla, California, United States
6. Kaiser Permanente Los Angeles Medical Center, Los Angeles, California, United States
7. Pediatric Neurology, Strasbourg–Hautepierre University Hospital, Avenue Moliere, Strasbourg, France
8. Centre de Référence des Leucodystrophies, Service de Neuropédiatrie et Maladies Métaboliques; Hôpital Robert Debré, AP-HP, Paris, France
9. Service de Neuropédiatrie, Hôpital Armand Trousseau, Paris, France
10. Department of Paediatric Neurology, F Floor Martin Wing, Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom
11. Manchester Academic Health Science Centre, University of Manchester, Genetic Medicine, Manchester, United Kingdom
12. INSERM UMR 1163, Laboratory of Neurogenetics and Neuroinflammation, Institut Imagine, Paris, France