1. Department of Pathology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
2. Department of Colorectal Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
3. Jichenjunchuang Clinical Laboratory, Hangzhou, China
4. Clinical Research Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
5. Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
6. Guangdong Institute of Gastroenterology, Guangzhou, China