1. Section of GI Oncology, Houston Methodist Neal Cancer Center, Houston Methodist Hospital, Houston, TX 77030, USA
2. Department of Internal Medicine, Yale New Haven Health, Bridgeport Hospital, Bridgeport, CT 06610, USA
3. College of Medicine, Almaarefa University, Riyadh 11597, Saudi Arabia
4. Zuckerman College of Public Health, Arizona State University, Tempe, AZ 85287, USA
5. Department of GI Medical Oncology, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
6. Faculty of Medicine and Health Sciences, University of Science and Technology, Sanaa P.O. Box 15201-13064, Yemen
7. Prolato Clinical Research Center, Houston, TX 77054, USA
8. Department of Medicine, Desert Regional Medical Center, Palm Springs, CA 92262, USA
9. Division of Internal Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
10. Department of Gastroenterology & Hepatology, Faculty of Medicine, The University of Jordan, Amman 11942, Jordan