Received: 15 July 2021
Accepted: 24 November 2021
First Online: 27 December 2021
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. This retrospective study was approved by the Ethics Committee of the People’s Hospital of Liaoning Province and strictly adhered to the tenets of the Declaration of Helsinki (code of Ethical approval for scientific research project:2020 Ethical Scientific Research Approval No. HS015). Given the retrospective design, a waiver of participant consent was granted by the ethics committee.
: Not applicable.
: The authors declare that they have no competing interests.