1. Division of Gastroenterology and Hepatology, Johns Hopkins Medicine, Baltimore, Maryland, USA
2. Division of Gastroenterology and Hepatology, New York University School of Medicine, New York, New York, USA
3. Virginia Gastroenterology Institute, Program in Endoscopic Oncology and Advanced Endoscopy, Suffolk, Virginia, USA
4. Division of Gastroenterology and Hepatology, Mayo Clinic Minnesota, Rochester, Minnesota, USA
5. Division of Gastroenterology, Dartmouth Hitchcock Medical Center, Lebanon, New Hampshire, USA
6. Section of Gastroenterology, Veterans Affairs White River Junction, White River, Vermont, USA
7. Division of Gastroenterology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
8. Division of Gastroenterology, West Virginia University Hospital, Morgantown, West Virginia, USA
9. Gastroenterology, Hepatology, and Nutrition, University of Florida Health, Gainesville, Florida, USA
10. Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
11. Department of Medicine, Division of Gastroenterology and Hepatology, University of Maryland School of Medicine, Baltimore, Maryland, USA
12. Division of Gastroenterology, Hepatology, and Endoscopy, Brigham and Women’s Hospital, Boston, Massachusetts, USA