Inflamm Bowel Dis 2014 Nov;20(11):2092-103
*Department of Medicine, Scripps Clinic, La Jolla, California; †Robarts Clinical Trials, Robarts Research Institute, Western University, London, ON, Canada; ‡Division of Gastroenterology, University of California San Diego, La Jolla, California; §Department of Gastroenterology, Academic Medical Center, Amsterdam, the Netherlands; ‖Departments of Medicine and Epidemiology and Biostatistics, Western University, London, Ontario, Canada; ¶Department of Pathology, University of California San Diego, La Jolla, CA; and **Department of Pathology, University Hospital of KU Leuven, Leuven, Belgium.