1. Department of Medical Education, College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, Saudi Arabia.
2. Departments of Pathology and Laboratory Medicine, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Jeddah, Makkah, Saudi Arabia.
3. Departments of Radiology King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Jeddah, Makkah, Saudi Arabia.
4. Departments of Surgery, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Jeddah, Makkah, Saudi Arabia.