[Li, Kanghua; Dai, Zhu] Cent S Univ, Xiangya Hosp, Dept Orthoped, Changsha 410078, Hunan, Peoples R China.
[Chen, Zhiwei; Dai, Zhu; Liu, Chunlei; Yang, Lezhong; Liao, Ying] South China Univ, Affiliated Hosp 1, Dept Orthoped, Hengyang 421001, Hunan, Peoples R China.
[Ding, Wenjun] South China Univ, Affiliated Hosp 1, Clin Res Inst, Hengyang 421001, Hunan, Peoples R China.
[Li, Kanghua] Cent S Univ, Xiangya Hosp, Dept Orthoped, 87 Xiangya Rd, Changsha 410078, Hunan, Peoples R China.