Affiliation: | 1.Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, Gansu 730000, PR China.;2.Department of Orthopedics, Honghui Hospital, Xi''an, Shanxi, 710000, PR China.;3.Key Laboratory of Bone and Joint Disease Research of Gansu Province, Lanzhou, Gansu 730000, PR China.;4.Xigu District People''s Hospital, Lanzhou, Gansu 730000, PR China. |