1. Department of Medicine, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
2. College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
3. Department of Healthcare Management, Alfaisal University, Riyadh, Saudi Arabia
4. Department of Family Medicine, College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
5. Department of Oncology, King Abdulaziz Medical City, King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, Ministry of National Guard Health Affairs, Riyadh, Saudi Arabia