Institution: | aCurrent affiliations: Mount Sinai Hospital IBD Centre (G.C.N.), University of Toronto, Toronto, Ontario, Canada, Harvey M. and Lyn P. Meyerhoff Inflammatory Bowel Disease Center (G.C.N.), Department of Medicine, Johns Hopkins University School of Medicine, Department of Health Policy and Management (K.D.F.), Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, Gastroenterology Division (T.D.), Washington University School of Medicine, St. Louis, Missouri, USA |