Institution: | 1. Division of Gastroenterology, John T. Milliken Department of Medicine, Washington University School of Medicine, St Louis, Missouri;2. Georgetown University School of Medicine, Washington, DC;3. Duke University Medical Center and Durham Veterans Affairs Health Care System, Durham, North Carolina;4. University of Connecticut Health Center, Farmington, Connecticut;5. Mayo Clinic, Rochester, Minnesota;6. Otsuka Pharmaceutical Development & Commercialization, Inc, Rockville, Maryland |