[Lin, Zhao-Wei; Wang, Cheng-qiang; Li, Qi; Lu, Yao; Xie, Xiao-bo; Chen, Kun; Yang, Jian-cheng] Southern Med Univ, Zhujiang Hosp, Dept Orthoped, Guangzhou 510282, Guangdong, Peoples R China.
[Chen, Kun] Guangzhou Med Univ, Huizhou Third Peoples Hosp, Dept Orthoped, Huisshou 516002, Guangdong, Peoples R China.
[He, Sheng-mao] Univ South China, Affiliated Hosp 2, Dept Orthoped, Hengyang 421001, Hunan, Peoples R China.