1Section of Gastroenterology, Geisel School of Medicine at Dartmouth College, White River Junction VAMC, Hanover, New Hampshire, USA
2Department of Internal Medicine, Gastroenterology, The Ohio State University College of Medicine, Columbus, Ohio, USA
3Division of Gastroenterology, University of Washington School of Medicine, Seattle, Washington, USA
Correspondence: Christina Surawicz, MD, Division of Gastroenterology, University of Washington School of Medicine, 325 9th Avenue Box 359773, Seattle, Washington 98104, USA. E-mail: firstname.lastname@example.org
Guarantor of the article: Christina Surawicz, MD.
Specific author contributions: All authors contributed to design, writing, and editing of the article.
Financial support: None.
Potential competing interests: None.
The contents do not represent the views of the U.S. Department of Veterans Affairs or the United States Government.