1. Division of Gastroenterology, University of Florida College of Medicine, Gainesville, Florida, United States
2. Borland-Groover Clinic, Jacksonville, Florida, United States
3. Jefferson University Hospitals, Division of Gastroenterology and Hepatology, Philadelphia, Pennsylvania, United States
4. Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, New York, United States
5. Division of Gastroenterology and Hepatology, The Johns Hopkins Medical Institutions, Baltimore, Maryland, United States
6. Division of Gastroenterology, University of Colorado School of Medicine, Aurora, Colorado, United States
7. Division of Gastroenterology and Hepatology, Stony Brook University School of Medicine, Stony Brook, New York, United States
8. Division of Gastroenterology and Hepatology, University of Virginia Health System, Charlottesville, Virginia, United States
9. CHS Digestive Health, Carolinas Medical Center, Charlotte, North Carolina, United States