1. Department of Orthopedics, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, P.R. China
2. School of Basic Medical Science, Anhui Medical University, Hefei, Anhui 230032, P.R. China
3. Department of Clinical Laboratory, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, P.R. China