1. Public Health Department, College of Health Sciences, Saudi Electronic University, Riyadh, Saudi Arabia
2. Division of Research & Innovation, King Faisal Specialist Hospital & Research Center, Riyadh, Saudi Arabia
3. Centre for Cancer, Society & Public Health, Faculty of Life Sciences & Medicine, King's College London, London, United Kingdom
4. Department of Pharmacology, College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
5. Department of Community Medicine, King Abdul-Aziz University, Jeddah, Saudi Arabia
6. Department of Global Health, Boston University School of Public Health, Boston, MA
7. Medical Laboratories Technology Department, College of Applied Medical Sciences, Taibah University, Madinah, Saudi Arabia
8. Research Center, King Fahad Specialist Hospital, Dammam, Saudi Arabia
9. College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
10. Radiation Oncology, Princess Norah Oncology Center, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, Jeddah, Saudi Arabia
11. College of Medicine, King Saud University, Riyadh, Saudi Arabia
12. Organ Transplant Center of Excellence, King Faisal Specialist Hospital & Research Center, Riyadh, Saudi Arabia
13. Division of Gastroenterology & Hepatology, Johns Hopkins University, Baltimore, MD