1. Department of Gastroenterology and Hepatology, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire, United States
2. Mayo Clinic Arizona, Gastroenterology, Scottsdale, Arizona, United States
3. Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States
4. Section of Gastroenterology, White River Junction VAMC, White River Junction, Vermont, United States
5. University of Connecticut Health Center, Gastro Farmington, Connecticut, United States
6. Department of Biomedical Data Science, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States