Zha, Zhuqing
Han, Qingmin
Liu, Wenjing
Huo, Shaochuan
Article History
Received: 9 October 2019
Accepted: 9 January 2020
First Online: 3 February 2020
Ethics approval and consent to participate
: This study was approved by Luoyang Orthopedic Hospital of Henan Province Ethics Committee. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee. All the patients signed informed consent.
: Not applicable
: The authors declare that they have no competing interests.