[Wan, Teng; Mei, Zubing; Tan, Haifeng; Cao, Qi; Guo, Weiming; Xiao, Zhihong; Chen, Liangyuan; Tang, Guojun] Univ South China, Affiliated Hosp 2, Dept Spine Surg, Hengyang, Hunan, Peoples R China.
[Wan, Teng; Tan, Haifeng] Univ South China, Hengyang Med Coll, Dept Physiol, Hengyang, Hunan, Peoples R China.
[Wan, Teng; Tan, Haifeng] Univ South China, Hengyang Med Coll, Dept Biochem, Hengyang, Hunan, Peoples R China.
[Wang, Xitao] Binhai New Area Hosp Tradit Chinese Med, Dept Surg, Tianjin, Peoples R China.
[Mei, Zubing] Shanghai Univ Tradit Chinese Med, Shuguang Hosp, Dept Anorectal Surg, Shanghai, Peoples R China.