Tianwen Liu1#, Zhaoli Fu1#, Yanfeng Lin1, Jingyi Xu2, Xiaofeng Lin1, Shuting Wen1, Shumin Qin1*1. Department of Gastroenterology，The Second Affiliated Hospital of Guanzhou University of Chinese Medicine, Guangzhou 510120, China.2. Guanzhou University of Chinese Medicine, Guangzhou 510006, China.

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