1. Department of Medicine, College of Medicine, Al Baha University, Al Baha, Saudi Arabia
2. Radiation Oncology, Princess Norah Oncology Center, King Abdulaziz Medical City, Ministry of National Guard, Jeddah, Saudi Arabia
3. King Abdullah International Medical Research Center, Jeddah, Saudi Arabia
4. Department of Radiology, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
5. Radiation Oncology, Comprehensive Cancer Center, King Fahad Medical City, Riyadh, Saudi Arabia
6. Radiation Oncology, Oncology Institute, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
7. Radiation Oncology, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
8. College of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
9. Radiation Oncology, University Oncology Center, King Khalid University Hospital, King Saud University, Riyadh, Saudi Arabia
10. Radaition Oncology, Department of Oncology, Ministry of National Guard—Health Affairs, Riyadh, Saudi Arabia
11. King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
12. Radaition Oncology, Department of Oncology, King Fahad Specialist Hospital, Dammam, Saudi Arabia
13. Department of Internal Medicine, King Abdulaziz Medical City, Ministry of National Guard, Jeddah, Saudi Arabia
14. King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia