1. College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
2. Department of General Surgery, King Abdulaziz Medical City, Ministry of National Guard, Riyadh, Saudi Arabia
3. Department of Radiology, King Abdulaziz Medical City (KAMC), Riyadh, Saudi Arabia
4. Department of Surgery, Ministry of the National Guard-Health Affairs, King Saud bin Abdulaziz University for Health Sciences, King Abdullah International Medical Research Center, Riyadh, Saudi Arabia