1. Department of Genetics; King Faisal Specialist Hospital and Research Center; Riyadh Saudi Arabia
2. Department of Pediatrics; Oasis Hospital; Al-Ain United Arab Emirates
3. Division of Clinical Genetics and Metabolic Disorders; Pediatrics Department; Tawam Hospital; Al-Ain United Arab Emirates
4. Department of Anatomy and Cell Biology; College of Medicine; Alfaisal University; Riyadh Saudi Arabia