1. Department of Clinical Genetics Cambridge University Hospitals NHS Foundation Trust Cambridge UK
2. Department of Pediatrics, Pediatric Neurology and Metabolic Medicine Unit, Kasr Al‐Ainy School of Medicine Cairo University Cairo Egypt
3. Department of Clinical Genetics Human Genetics and Genome Research Institute, National Research Centre Cairo Egypt
4. Department of Medical Molecular Genetics Human Genetics and Genome Research Institute, National Research Centre Cairo Egypt
5. Department of Pediatrics, Clinical Genetics Unit, Kasr Al‐Ainy School of Medicine Cairo University Cairo Egypt
6. CENTOGENE GmbH Rostock Germany
7. Radiology Department Great Ormond Street Hospital for Children London UK
8. Department of Neurosciences University of California San Diego La Jolla USA
9. Rady Children's Hospital Rady Children's Institute for Genomic Medicine San Diego La Jolla USA