1 Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, 430060, People's Republic of China.
2 Hubei Key Laboratory of Digestive System Disease, Renmin Hospital of Wuhan University, Wuhan, 430060, People's Republic of China.
3 Hubei Provincial Clinical Research Center for Digestive Disease Minimally Invasive Incision, Renmin Hospital of Wuhan University, Jiefang Rd. 238, Wuhan, 430060, People's Republic of China.
4 Department of Critical Care Medicine, Renmin Hospital of Wuhan University, Wuhan, Hubei, People's Republic of China.
5 Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, 430060, People's Republic of China. yuhonggang@whu.edu.cn.
6 Hubei Key Laboratory of Digestive System Disease, Renmin Hospital of Wuhan University, Wuhan, 430060, People's Republic of China. yuhonggang@whu.edu.cn.
7 Hubei Provincial Clinical Research Center for Digestive Disease Minimally Invasive Incision, Renmin Hospital of Wuhan University, Jiefang Rd. 238, Wuhan, 430060, People's Republic of China. yuhonggang@whu.edu.cn.