1. From the Division of Gastroenterology and Hepatology, Shanghai Jiao-Tong University School of Medicine Renji Hospital, Shanghai Institute of Digestive Disease, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health (Shanghai Jiao-Tong University) (Huimin Chen, S.W., M.T., R.Z., Q.Z., Z.D., Y.G., X.L., H.L., H. Xiong, Y.S., Haiying Chen, S.G., H. Xue, Z.G.), the Department of Gastroenterology and Hepatology, Changhai Hospital, Naval Medical University (Z.L., Y.D.), the Department of...