1. Department of Colorectal and Anal Surgery, Xiangyang No.1 People’s Hospital, Hubei University of Medicine, Xiangyang, P.R, China
2. Department of Pulmonary and Critical Care Medicine, Xiangyang No.1 People’s Hospital, Hubei University of Medicine, Xiangyang, P.R, China
3. Zhejiang Luoxi Medical Technology Co. Ltd, Hangzhou, P.R, China