1 Guangdong Provincial Key laboratory of Colorectal and Pelvic Floor Disease, The Sixth Affiliated Hospital of Sun Yat-sen University, 510655, Guangzhou, China.
2 Guangdong Research Institute of Gastroenterology, The Sixth Affiliated Hospital of Sun Yat-sen University, 510655, Guangzhou, China.
3 Department of Colorectal Surgery, The Sixth Affiliated Hospital of Sun Yat-sen University, 510655, Guangzhou, China.
4 Guangdong Provincial Key laboratory of Colorectal and Pelvic Floor Disease, The Sixth Affiliated Hospital of Sun Yat-sen University, 510655, Guangzhou, China. fanglk3@mail.sysu.edu.cn.
5 Guangdong Research Institute of Gastroenterology, The Sixth Affiliated Hospital of Sun Yat-sen University, 510655, Guangzhou, China. fanglk3@mail.sysu.edu.cn.
6 Department of Colorectal Surgery, The Sixth Affiliated Hospital of Sun Yat-sen University, 510655, Guangzhou, China. fanglk3@mail.sysu.edu.cn.
7 Guangdong Provincial Key laboratory of Colorectal and Pelvic Floor Disease, The Sixth Affiliated Hospital of Sun Yat-sen University, 510655, Guangzhou, China. limh33@mail.sysu.edu.cn.
8 Guangdong Research Institute of Gastroenterology, The Sixth Affiliated Hospital of Sun Yat-sen University, 510655, Guangzhou, China. limh33@mail.sysu.edu.cn.