[1] Cent South Univ, Xiangya Hosp, Dept Orthopaed, 87 Xiangya Rd, Changsha 410008, Hunan, Peoples R China
[2] Hunan Key Lab Joint Degenerat & Injury, Changsha, Hunan, Peoples R China
[3] Hunan Engn Res Ctr Osteoarthrit, Changsha, Hunan, Peoples R China
[4] Cent South Univ, Xiangya Hosp, Natl Clin Res Ctr Geriatr Disorders, Changsha, Hunan, Peoples R China
[5] Cent South Univ, Xiangya Hosp, Hlth Management Ctr, Changsha, Hunan, Peoples R China