1. Department of Laboratory Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563003, P.R. China
2. School of Laboratory Medicine, Zunyi Medical University, Zunyi, Guizhou 563003, P.R. China
3. Clinical Medical College, Zunyi Medical University, Zunyi, Guizhou 563003, P.R. China
4. Department of General Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563003, P.R. China