1 Department of Colorectal Cancer Surgery, the Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, People's Republic of China.
2 Colorectal Cancer Institute of Harbin Medical University, Harbin, Heilongjiang, People's Republic of China.
3 Department of Nephrology, the Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, People's Republic of China.
4 Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, China.