| Affiliation: | 1. Division of Gastroenterology and Hepatology, UC Davis Medical Center, Sacramento, California;2. Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota;3. Division of Gastroenterology, Department of Medicine, Olive View-UCLA Medical Center, Sylmar, California;1. Tianjin Union Medical Center, 190 Jieyuan Road, Hongqiao District, Tianjin 300121, PR China;2. School of Chemical Engineering and Technology, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, PR China |
