[Zhu, Li-Guo; Li, Lin-Hui; Zhou, Biao] Chinese Acad Chinese Med Sci, Wangjing Hosp, Dept Orthoped, Huajiadi St, Beijing 100102, Peoples R China.
[Zhou, Biao] Nanhua Univ, Xiangtan Hosp, Dept Orthoped, Xiangtan, Peoples R China.
[Tan, Li-Ming] Fourth Hosp Changsha, Dept Orthoped, Changsha, Peoples R China.
[Tan, Li-Ming] Changsha Hosp Trandit Chinese Med, Dept Orthoped, Changsha, Peoples R China.
[Luo, Wen-Bing] Chinese Med Hosp Linli Cty, Dept Orthoped, Linli, Peoples R China.