Irritable Bowel Syndrome.

Address: From the Leeds Institute of Biomedical and Clinical Sciences, University of Leeds, and the Leeds Gastroenterology Institute, St. James's University Hospital, Leeds, United Kingdom (A.C.F.); the Section of Gastroenterology and Hepatology, Dartmouth-Hitchcock Medical Center, Lebanon, NH (B.E.L.); the Faculty of Health and Medicine, University of Newcastle, Newcastle, NSW, Australia (N.J.T.); the Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN (N.J.T.); and Karolinska Institute, Stockholm (N.J.T.).