Colitides

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