1. Department of Epidemiology, University of North Carolina, Chapel Hill, NC, USA
2. Department of Biostatistics, Epidemiology and Public Health, College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
3. World Bank Group, Washington, DC, USA
4. Saudi Public Health Authority, Riyadh, Saudi Arabia
5. Department of Community Health Sciences, King Saud University, Riyadh, Saudi Arabia
6. Biostatics, Epidemiology, and Science Computing Department, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
7. Lifestyle and Health Research Center, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
8. Liver Transplant Center, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
9. Division of Gastroenterology and Hepatology, Johns Hopkins University, Baltimore, MD, USA