Affiliation: | 1. Division of Gastroenterology and Hepatology, Corporal Michael J. Crescenz Veterans Affairs Medical Center, University of Pennsylvania Health System, 4th Floor GI Department, 3900 Woodland Avenue, Philadelphia, PA 19104, USA;2. Small Bowel Imaging Program, Division of Gastroenterology and Hepatology, University of Pennsylvania Health System, 3400 Civic Center Drive, PCAM 7S, Philadelphia, PA 19104, USA |