1. Division of Trauma & Acute Care, Department of Surgery, National Guard Health Affairs, King Abdulaziz Medical City, Riyadh, Saudi Arabia
2. Department of Surgery, National Guard Health Affairs, King Abdulaziz Medical City, Riyadh, Saudi Arabia
3. Department of Pathology, National Guard Health Affairs, King Abdulaziz Medical City, Riyadh, Saudi Arabia
4. College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia