[Yang, Shaofeng; Zhang, Chao; Li, Zhaoyong; Guo, Yantao] Hunan Univ Chinese Med, Spine Orthoped Dept, Hosp 1, Changsha 410007, Peoples R China.
[Li, Linghui] Chinese Acad Tradit Chinese Med, Wangjing Hosp, Beijing, Peoples R China.
[Zhang, Xiao; Li, Shuofu; Chen, Long] Hunan Univ Chinese Med, Hosp 1, Changsha, Hunan, Peoples R China.
[Yang, Lei] Hunan Univ Tradit Chinese Med, Changsha, Hunan, Peoples R China.