1. Section of Medical Genetics; Children's Hospital, King Fahad Medical City; Riyadh Saudi Arabia
2. Children's Hospital; King Saud Medical City; Riyadh Saudi Arabia
3. Medical Genetics Division, Department of Pediatrics, King Abdullah International Medical Research Centre, King Saud bin Abdulaziz University for Health Sciences; King Abdulaziz Medical City; Riyadh Saudi Arabia
4. Pathology and Clinical Laboratory Administration, Section of Molecular Pathology; King Fahad Medical City; Riyadh Saudi Arabia
5. Department of Neuroimaging and Intervention, Medical Imaging Administration; King Fahad Medical City; Riyadh Saudi Arabia
6. Department of Genetics; King Faisal Specialist Hospital and Research Center; Riyadh Saudi Arabia
7. Department of Molecular and Human Genetics; Baylor College of Medicine; Houston Texas
8. Department of Anatomy and Cell Biology, College of Medicine; Alfaisal University; Riyadh Saudi Arabia
9. Saudi Human Genome Program; King Abdulaziz City for Science and Technology; Riyadh Saudi Arabia