1. Emergency Medical Services, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
2. College of Medicine, King Saud University, Riyadh, Saudi Arabia
3. College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
4. College of Medicine, Imam Mohammed University, Riyadh, Saudi Arabia
5. Population Health, King Abdullah International Research Center, Riyadh, Saudi Arabia