[Chen, Jianting; Chen, Xiaoming] Southern Med Univ, Nanfang Hosp, Dept Orthoped Spinal Surg, Guangzhou 510515, Guangdong, Peoples R China.
[Chen, Xiaoming] Univ South China, Affiliated Hosp 2, Dept Orthoped Spinal Surg, Hengyang 421001, Peoples R China.
[Zhou, Runmei] Univ South China, Affiliated Hosp 2, Dept Pharm, Hengyang 421001, Peoples R China.
[Chen, Bin] Chenzhou 1 Peoples Hosp, Dept Orthoped Spinal Surg, Chenzhou 423000, Peoples R China.