title: Assessing disease activity in patients with ulcerative colitis.
authors.affiliation: Department of Gastroenterology & Hepatology St. Vincent's Hospital Sydney, Australia.
authors.forename: Alissa
authors.initials: A
authors.lastname: Walsh
authors.affiliation: Translational Gastroenterology Unit John Radcliffe Hospital Oxford, United Kingdom.
authors.forename: Simon
authors.initials: S
authors.lastname: Travis