Colitides

1 Department of Surgery and Institute for Health Informatics, University of Minnesota, Minneapolis, MN 55455, USA 2 Department of Surgery, University of Minnesota, Minneapolis, MN 55455, USA 3 Department of Pathology, Virginia Mason Medical Center, Seattle, WA 98101, USA 4 Department of Gastroenterology, Regions Hospital-The Digestive Center, University of Minnesota, Saint Paul, MN 55130, USA 5 Division of Gastroenterology, Washington University School of Medicine, St. Louis, MO 63110, USA 6 Department of Surgery, Johns Hopkins Medical Institutions, Baltimore, MD 21287, USA