Li, Yuwei
Yan, Xiaoyun
Cui, Wei
Zhang, Yonghui
Li, Cheng
Article History
Received: 22 May 2018
Accepted: 3 April 2019
First Online: 1 May 2019
Ethics approval and consent to participate
: The study protocol was approved by the ethics committee of Luohe Central Hospital of Orthopedics. The patients gave their written informed consent for the study.
: Not applicable.
: The authors declare that they have no competing interests.
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