1. Department of Pathology, Faculty of Medicine, University of Jeddah, Jeddah, Saudi Arabia
2. Department of Community Medicine, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
3. Department of Pathology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
4. Department of Pathology, King Faisal Specialist Hospital and Research center, Jeddah, Saudi Arabia