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Authors
Nan, Chong
Ma, Zhanbei
Liu, Yuxiu
Ma, Liang
Li, Jiaqi
Zhang, Wei
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Article History
Received: 11 April 2022
Accepted: 4 October 2022
First Online: 18 October 2022
Declarations
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: The study design was approved by the institutional review board of the third Hospital of Hebei Medical University before data collection and analysis. All methods were carried out in accordance with relevant guidelines and regula‑ tions. The volunteer agreed to the trial protocol and informed consent was obtained from her.
: Not applicable.
: The authors declare that they have no competing interests.
