1. Gastroenterology Section, Department of Medicine, King Abdulaziz Medical City, Jeddah, Saudi Arabia
2. Department of Medicine, King Fahad Specialist Hospital, Dammam, Saudi Arabia
3. Gastroenterology Section, Department of Medicine, King Fahad Hospital, Jeddah, Saudi Arabia
4. HEOR - Global Value and Access, Gilead Sciences, Foster City, CA, USA
5. Gastroenterology and Hepatology Department, King Fahad Medical City, Riyadh, Saudi Arabia
6. Department of Medicine, King Fahad Military Medical Complex, Dhahran, Saudi Arabia
7. Formerly Gilead Sciences Inc., Dubai, United Arab Emirates
8. Maple Health Group, New York, USA