1. Department of Genetics; King Faisal Specialist Hospital and Research Center; Riyadh Saudi Arabia
2. Department of Pathology and Laboratory Medicine; King Faisal Specialist Hospital and Research Center and College of Medicine, Alfaisal University; Riyadh Saudi Arabia
3. Department of Obstetrics and Gynecology; King Faisal Specialist Hospital and Research Center; Riyadh Saudi Arabia
4. Department of Anatomy, Cell Biology; College of Medicine, Alfaisal University; Riyadh Saudi Arabia