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Authors
An, Junyan
Zhang, Gaoyuan
Zhou, Xinling
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Article History
Received: 16 April 2026
Accepted: 3 June 2026
First Online: 6 June 2026
Declarations
Ethics approval and consent to participate: This study was conducted in accordance with the Declaration of Helsinki and was approved by the Institutional Review Board of Weifang People’s Hospital (Approval No. KYLL202600304-1). The requirement for written informed consent was waived because of the retrospective and anonymized nature of the study.
Consent for publication: Not applicable.
Competing interests: The authors declare no competing interests.
