Institution: | Hua-Hua Yang, Yi Huang, Xu-Chun Zhou, Department of Gastroenterology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, ChinaRuo-Nan Wang, Department of Endocrinology, Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430077, Hubei Province, China |