1 Section of Gastroenterology and Hepatology, Department of Medicine, University of Michigan School of Medicine, Ann Arbor, Michigan. Electronic address: jiallenmd@icloud.com.
2 Department of Gastroenterology, Dorothy L. and Daniel H. Silberberg Professor of Medicine, Columbia University School of Medicine, New York, New York.
3 Practice and Quality, American Gastroenterological Association, Bethesda, Maryland.
4 Division of Gastroenterology, Department of Medicine and Physiology, Mayo Medical School and Mayo Clinic, Rochester, Minnesota.