Updates are available Correction dated 2021-08-05
Click to view Correction: https://doi.org/10.1186/s12891-021-04518-9
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Authors
Yu, Haijiang
Zhu, Bin
Song, Qingpeng
Liu, Xiaoguang
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Article History
Received: 3 April 2021
Accepted: 8 June 2021
First Online: 19 June 2021
Change Date: 5 August 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/s12891-021-04518-9
Declarations
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: This study was conducted according to the Declaration of Helsinki and approved by the Peking University Third Hospital Medical Science Research Ethics Committee (approval number:S2021318). The written informed consent was waived by the Peking University Third Hospital Medical Science Research Ethics Committee due to the retrospective nature of the review, and the data was anonymized.
: Not applicable.
: The authors declare they have no competing or conflict of interest.
