1. Department of Colorectal Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China.
2. Inflammatory Bowel Diseases Center, Zhongnan Hospital of Wuhan University, Wuhan, China.
3. Hubei Key Laboratory of Intestinal & Colorectal Diseases, Quality Control Center of Colorectal Surgery, Health Commission of Hubei Province, Wuhan, China.
4. Department of Gastroenterology, Zhongnan Hospital of Wuhan University, Wuhan, China.