1. Department of Internal Medicine, Faculty of Medicine, King Abdulaziz University, Jeddah 22254, Kingdom of Saudi Arabia
2. Department of Radiology, Faculty of Medicine, King Abdulaziz University, Jeddah 22254, Kingdom of Saudi Arabia
3. Department of Surgery, Faculty of Medicine, King Abdulaziz University, Jeddah 22254, Kingdom of Saudi Arabia
4. Department of Community Medicine, Faculty of Medicine, King Abdulaziz University, Jeddah 22254, Kingdom of Saudi Arabia