1 Department of Orthopaedics, The Affiliated Jianhu Hospital of Nantong University, Jianhu People's Hospital, Nantong, P.R. China.
2 Department of Orthopaedics, Huaian Tumor Hospital & Huaian Hospital of Huaian City, Huaian, P.R. China.
3 Department of Orthopaedics, The People's Hospital of Yizheng City, The Affiliated Hospital of Yangzhou University, Yizheng, P.R. China.
4 Department of Central Laboratory, Huaian Tumor Hospital & Huaian Hospital of Huaian City, Huaian, P.R. China.
5 Department of Orthopaedics, The People's Hospital of Yizheng City, The Affiliated Hospital of Yangzhou University, Yizheng, P.R. China. dongdong801208@163.com.