1. Department of Colorectal Surgery, General Hospital of Ningxia Medical University, Yinchuan 750003, China
2. College of Clinical Medicine, Ningxia Medical University, Yinchuan 750004, China
3. Surgical Department, General Hospital of Ningxia Medical University, Yinchuan 750003, China
4. Operating Room, General Hospital of Ningxia Medical University, Yinchuan 750003, China
5. Surgical Department, Lingwu Traditional Chinese Medicine Hospital, Yinchuan 750499, China
6. Department of Colorectal and Anal Surgery, First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
7. Department of General Surgery, Chengdu Second People’s Hospital, Chengdu 610021, China
8. Institute of Clinical Laboratory Medicine, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, School of Medical Technology, Dongguan 523000, China