Received: 26 January 2021
Accepted: 7 June 2021
First Online: 16 June 2021
Change Date: 19 January 2023
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/s12891-022-06091-1
: This study was approved by the ethics committee of Chang Gung Medical Foundation, and the informed consent was waived by the ethics committee as it is a retrospective study.(Protocol No: CGMF IRB No.: 104-7197C).We confirm that all methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors declare no competing interests.