1 Graduate School of Inner Mongolia Medical University, Xinhua Campus of Inner Mongolia Medical University, Xinhua Street, Huimin District, Hohhot, Inner Mongolia, 010050, China.
2 Department of Gastroenterology, Affiliated Hospital of Inner Mongolia Medical University, No. 1, Tongdao North Road, Huimin District, Hohhot, Inner Mongolia, China.
3 Department of Gastroenterology, Affiliated Hospital of Inner Mongolia Medical University, No. 1, Tongdao North Road, Huimin District, Hohhot, Inner Mongolia, China. Electronic address: 13848910975@163.com.