[1] Sun Yat Sen Univ, Affiliated Hosp 1, Dept Spine Surg, 58 Zhongshan Rd 2, Guangzhou 510080, Guangdong, Peoples R China
[2] Sun Yat Sen Univ, Affiliated Hosp 1, Res Ctr Translat Med, Guangzhou 510080, Guangdong, Peoples R China
[3] Sun Yat Sen Univ, Sun Yat Sen Mem Hosp, Dept Orthoped Surg, 107 West Yan Jiang Rd, Guangzhou 510120, Guangdong, Peoples R China
[4] Sun Yat Sen Univ, Sch Life Sci, Dept Zool, Guangzhou 510275, Guangdong, Peoples R China