1. Department of Pathophysiology Southwest Medical University Luzhou China
2. School of Basic Medical Sciences Institute for Cancer Medicine Southwest Medical University Luzhou China
3. Richard L. Roudebush VA Medical Center Indiana University Indianapolis IN USA
4. Division of Gastroenterology Department of Medicine Indiana University Indianapolis IN USA
5. Division of Gastroenterology and Hepatology Department of Medicine Indiana University School of Medicine Indianapolis IN USA
6. Department of Medical Physiology Texas A&M University College of Medicine Bryan TX USA
7. Department of Physiology Southwest Medical University Luzhou China