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Authors
Fu, Xianchun
Gao, Feng
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Article History
Received: 17 June 2025
Accepted: 25 September 2025
First Online: 16 October 2025
Declarations
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: The study protocol was reviewed and approved by the Institutional Review Board of WeiFang People’s Hospital (the First Affiliated Hospital of Shandong Second Medical University) of China (Approval No. 20130521-JNY-008). The research was conducted in accordance with the ethical standards of the Declaration of Helsinki and its later amendments. Informed consent was waived due to the retrospective nature of the study and the use of anonymized registry data.
: Not applicable.
: The authors declare no competing interests.
