1. Department of Gastroenterology, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, China
2. Guizhou Medical University, Guiyang, Guizhou 550025, China
3. Department of Pathophysiology, Guizhou Medical University, Guiyang, Guizhou 550025, China
4. Department of Gastroenterology, Guizhou Hospital of the First Affiliated Hospital, Sun Yat-sen University, Guiyang, Guizhou 550000, China
5. Department of Gastroenterology, Xingyi People’s Hospital, Xingyi, Guizhou 562400, China
6. Luoyang Vocational and Technical College, Luoyang, Henan 471000, China
7. Department of Colorectal Surgery, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, China