2 Orthopedic Traumatology, Affiliated Hospital of Jining Medical University, Jining, Shandong Province, China.
3 College of Clinical Medicine, Jining Medical University, Jining, Shandong Province, China.
4 Department of Clinical Laboratory, Affiliated Hospital of Jining Medical University, Jining, Shandong Province, China. Electronic address: jincq2008@163.com.