Institution: | Yu Guo, Wei Wei, Department of Gastroenterology, Wangjing Hospital of China Academy of Chinese Medical Sciences, Beijing 100102, ChinaYu Guo, Jiande DZ Chen, Division of Gastroenterology and Hepatology, Johns Hopkins University School of Medicine, Baltimore, MD 21224, United StatesJiande DZ Chen, Division of Gastroenterology and Hepatology, University of Michigan School of Medicine, Ann Arbor, MI 48109, United States |