1. From the Division of Gastroenterology, Department of Medicine, University of California, San Diego, La Jolla (W.J.S.); Pfizer, Collegeville, PA (C.S., W.N., G.F., N.L., D.Y., D.W., H.Z.); Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York (B.E.S.); the Department of Gastroenterology, Academic Medical Center, Amsterdam (G.R.D.); the Department of Gastroenterology and Hepatology, University Hospitals Leuven, Leuven, Belgium (S.V.); Department of Internal Medicine I,...