1. Population Health Research Section, King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
2. King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
3. Princess Noura Bint Abdul Rahman University, Health, and Rehabilitation Sciences College, Riyadh, Saudi Arabia
4. King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
5. Department of Oncology, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia