Affiliation: | 1. Division of Digestive and Liver Diseases, UT Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390, USA;2. Department of Medicine, Center for Inflammatory Bowel Diseases, University of Texas at Austin, Dell Medical School, Health Discovery Building, Z0900 1601 Trinity Street, Building B, Austin, TX 78712, USA |