1 Department of Orthopedic Surgery, Tangdu Hospital, Orthopedics Oncology Institute of Chinese PLA, Fourth Military Medical University, No. 569 XinSi Road, Xi'an, Shanxi Province, 710038, People's Republic of China.
2 Outpatient Department, Tangdu Hospital, Fourth Military Medical University, Xi'an, Shanxi Province, 710038, People's Republic of China.
3 Department of Orthopedic Surgery, Tangdu Hospital, Orthopedics Oncology Institute of Chinese PLA, Fourth Military Medical University, No. 569 XinSi Road, Xi'an, Shanxi Province, 710038, People's Republic of China. drfanqingyu01@163.com.