1. Methodist Dallas Medical Center – Gastroenterology, Dallas, Texas, United States
2. Rutgers Robert Wood Johnson Medical School – Gastroenterology, New Brunswick, New Jersey, United States
3. Weill Cornell Medical College – Gastroenterology & Hepatology, New York, New York, United States
4. West Virginia University – Gastroenterology, New Brunswick, New Jersey, United States
5. Ruby Memorial Hospital – Digestive Diseases, Morgantown, West Virginia, United States
6. Spectrum Health Butterworth Hospital – Advanced Endoscopy/Gastroenterology, Grand Rapids, Michigan, United States
7. Icahn School of Medicine at Mount Sinai – Gastroenterology, New York, New York, United States
8. Robert Wood Johnson Health System – Gastroenterology, New Brunswick, New Jersey, United States
9. University of Kentucky Medical Center – Gastroenterology, New Brunswick, Kentucky, United States
10. Tanta University Faculty of Medicine – Gastroenterology and Hepatology – Internal Medicine, Tanta, Egypt
11. Sharp Grassmont Hospital – Gastroenterology/Internal Medicine, Mesa, California, United States
12. University Hospital Ramon y Cajal – Division of Gastroenterology, Madrid, Sapin
13. Beth Israel Deaconess Medical Center – Gastroenterology, Boston, Massachusetts, United States
14. University of Michigan Medicine – Gastroenterology, New Brunswick, Michigan, United States
15. University of Michigan Health System – Gastroenterology, Ann Arbor, Michigan, United States
16. University of Michigan Michigan Medicine – Internal Medicine, Ann Arbor, Michigan, United States