Funding for this research was provided by:
AOSpine Asia Pacific Regional Research Project 2018 (AOSAP(R)2018-05)
Received: 15 July 2019
Accepted: 13 October 2020
First Online: 22 October 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of Peking University Third Hospital Medical Science Research Ethics Committee. (Ethical approval number: LM2018071) All patients signed a surgical consent form. Informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.