[1] Capital Med Univ, Xuanwu Hosp, Dept Orthoped, Beijing 100053, Peoples R China
[2] Natl Clin Res Ctr Geriatr Dis, Beijing, Peoples R China
[3] Beijing Glitzern Technol Co Ltd, Beijing, Peoples R China
[4] Beijing Daxing Dist Peoples Hosp, Dept Traumatol, Beijing, Peoples R China
[5] Beijing Daxing Dist Peoples Hosp, Dept Orthoped, Beijing, Peoples R China
[6] Capital Med Univ, Xuanwu Hosp, Dept Emergency, Beijing, Peoples R China
[7] Purdue Univ, Dept Interdisciplinary Life Sci, W Lafayette, IN USA