1. Department of Oncology, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China
2. Department of General Surgery, West China Second Hospital, Sichuan University, Chengdu, China
3. Division of vascular surgery, Department of general surgery, West China Hospital, Sichuan University, Chengdu, China
4. Department of General Surgery, West China Hospital, Sichuan University, Chengdu, China
5. Colorectal Cancer Center, West China Hospital, Sichuan University, Chengdu, China
6. Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, College of the Environment and Ecology, Xiamen University, Xiamen, Fujian, China
7. Usher Institute, University of Edinburgh, Edinburgh, UK
8. Department of laboratory medicine, West China Hospital, Sichuan University, Chengdu, China