1 Liver Research Center, Beijing Friendship Hospital, Beijing Key Laboratory of Translational Medicine on Liver Cirrhosis, National Clinical Research Center of Digestive Diseases, Capital Medical University, Beijing, China; State Key Laboratory of Digestive Health, Beijing, China.
2 Liver Research Center, Beijing Friendship Hospital, Beijing Key Laboratory of Translational Medicine on Liver Cirrhosis, National Clinical Research Center of Digestive Diseases, Capital Medical University, Beijing, China; State Key Laboratory of Digestive Health, Beijing, China. Electronic address: zhao_xinyan@ccmu.edu.cn.