William D CheyWilliam D. Chey, MD, AGAF, FACG, FACP, RFF, is Professor of Medicine, Director of the GI Physiology Laboratory, and Co-Director of the Michigan Bowel Control Program at the University of Michigan. He also runs a clinical research group, servesas Co-editor-in-Chief of the American Journal of Gastroenterology, and is on the Board of Trustees of the American College of Gastroenterology and the Board of Directors of the Rome Foundation and Advisory Board of the International Foundation for Functional Gastrointestinal Disorders (IFFGD). Read More Read Less