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Authors
Zhao, Xiaoqian
Zhao, Yan
Zhang, Jingmian
Zhang, Zhaoqi
Liu, Lihua
Zhao, Xinming http://orcid.org/0000-0002-7060-2643
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Funding
Funding for this research was provided by:
The Practical Technology Tracking Project of Hebei Province, China (No. GL2011-52)
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Article History
Received: 2 September 2022
Accepted: 17 January 2023
First Online: 22 January 2023
Declarations
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: All procedures performed in the study and involving human participants were performed in accordance with the ethical standards of the institutional and/or national research committee and with the principles of the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. This retrospective analysis was approved by the Institutional Review Board of the Fourth Hospital of Hebei Medical University, and the requirement for informed consent was waived.
: Not applicable.
: The authors declare that they have no competing interests.
