1. Department of General Surgery (Colorectal Surgery), The Sixth Affiliated Hospital, Sun Yat-sen University , Guangzhou, Guangdong , China
2. Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital, Sun Yat-sen University , Guangzhou, Guangdong , China
3. Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University , Guangzhou, Guangdong , China
4. Guangdong Provincial Key Laboratory of Digestive Cancer Research, The Seventh Affiliated Hospital of Sun Yat-sen University , Shenzhen, Guangdong , China