1. Department of Gastroenterology, Liuzhou Traditional Chinese Medical Hospital, the Third Affiliated Hospital of Guangxi University of Chinese Medicine, LiuZhou, China
2. Department of Gastroenterology, the Second Xiangya Hospital of Central South University, ChangSha, China
3. Department of Laboratory Medicine, Liuzhou Traditional Chinese Medical Hospital, the Third Affiliated Hospital of Guangxi University of Chinese Medicine, LiuZhou, China