1. Division of Pediatric Neurology; Department of Pediatrics; King Abdulaziz Medical City; Ministry of National Guard-Health Affairs (MNGHA); Riyadh Saudi Arabia
2. King Abdullah International Medical Research Center (KAIMRC); Riyadh Saudi Arabia
3. College of Medicine; King Saud bin Abdulaziz University for Health Sciences; Riyadh Saudi Arabia
4. Division of Genetics; Department of Pediatrics; King Abdulaziz Medical City; Ministry of National Guard-Health Affairs (MNGHA); Riyadh Saudi Arabia