Ma, Tan-tan
Chen, Geng
Wang, Dan
Xu, Hong
Zhang, Jian-guang
Article History
Received: 20 October 2022
Accepted: 5 June 2023
First Online: 14 September 2023
Declarations
:
: We obtained the ethical approval for the study from the ethics committee of the First Hospital of Jilin University. All procedures performed in studies involving human participants followed the ethical standards of the institutional and/or national research committee and the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Due to the retrospective study design, informed consent was waived by the ethics committee of the First Hospital of Jilin University.
: Not applicable.
: The authors declare that they have no competing interests.