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Authors
Xue, Yuan
Qi, Pengyu
Hou, Zhihong
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Article History
Received: 31 October 2025
Accepted: 1 March 2026
First Online: 13 March 2026
Declarations
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: All research studies on humans have been performed in accordance with the principles stated in the Declaration of Helsinki. Prior to starting the study, ethical approval has been obtained for all protocols from Qinhuangdao Vocational and Technical College to confirm the study meets national and international guidelines for research on humans. The participants were aware of the study’s purpose, risks, and benefits. Informed consent has been obtained from all participants.
: Not applicable.
: The authors declare no competing interests.
