Affiliation: | 1. Divisions of Pediatric Neurology, Prince Sultan Military Medical City, Riyadh, Saudi Arabia;2. Division of Genetics, Department of Pediatrics, Prince Sultan Military Medical City, Riyadh, Saudi Arabia;3. Department of Genetics, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia;4. Department of Anatomy and Cell Biology, College of Medicine, Alfaisal University, Riyadh, Saudi Arabia;5. Department of Pediatric Neurology, Nationwide Children Hospital, Ohio State University, Columbus, Ohio;6. Pediatric Neuroradiology, Children Hospital of Pittsburgh of UPMC, University of Pittsburgh, Pittsburgh, Pennsylvania |