1. General Surgery Department, College of Medicine, AlMaarefa University, Riyadh, Saudi Arabia.
2. College of Medicine, AlMaarefa University, Riyadh, Saudi Arabia.
3. College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia.
4. College of Medicine, Najran University, Najran, Saudi Arabia.
5. Emergency Department, King Khalid Hospital, Najran, Saudi Arabia.
6. College of Medicine, Umm Al Qura University, Makkah, Saudi Arabia.
7. General Surgery Department, Althaghr Hospital, Jeddah, Saudi Arabia.
8. Unaizah College of Medicine, Qassim University, Qassim, Saudi Arabia.