1. Gastroenterology, Hepatology & Nutrition, Allegheny Health Network, Pittsburgh, Pennsylvania, USA
2. Gastroenterology & Hepatology, University of Utah Health, Salt Lake City, Utah, USA
3. Gastroenterology, Rush University Medical Center, Chicago, Illinois, USA
4. Gastroenterology and Hepatology, CHI Health Creighton University Medical Center, Omaha, Nebraska, USA
5. Internal Medicine, Mayo Clinic, Rochester, Minnesota, USA
6. Internal Medicine, Carilion Roanoke Memorial Hospital, Roanoke, Virginia, USA
7. Gastroenterology, Hepatology & Nutrition, Metro Health Hospital, Cleveland, Ohio, USA
8. Gastroenterology & Hepatology, University of Wisconsin School of Medicine & Public Health Madison, Wisconsin, USA
9. Gastroenterology, Hepatology & Nutrition, University of California, San Diego, California, USA
10. Division of Gastroenterology and Hepatology, Mayo Clinic, Jacksonville, Florida, USA