1 Department of Colorectal Surgery, Shanxi Province Cancer Hospital/Shanxi Hospital Affiliated to Cancer Hospital, Chinese Academy of Medical Sciences/Cancer Hospital Affiliated to Shanxi Medical University, Taiyuan, China.
2 Department of Oncology, Weifang People's Hospital (First Affiliated Hospital of Shandong Second Medical University), Weifang, China.
3 Department of Surgical Science, Cagliari State University, Cagliari, Italy.
4 Department of Pathology, Shanxi Province Cancer Hospital/Shanxi Hospital Affiliated to Cancer Hospital, Chinese Academy of Medical Sciences/Cancer Hospital Affiliated to Shanxi Medical University, Taiyuan, China.
5 Department of Laboratory, Weifang People's Hospital (First Affiliated Hospital of Shandong Second Medical University), Weifang, China.
6 Department of Gastroenterology, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
7 School of Public Health and Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
8 Department of Colorectal Surgery, National Cancer Centre/National Clinical Research Centre for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.