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Authors
Pei, Yuqi
Ouyang, Wei
Qi, Peiyun
Yan, Zhongjie
Li, Yaoru
Zhang, Xiangjian
Zhang, Cong
Cui, Lili
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Funding
Funding for this research was provided by:
Hebei Province Medical Science Research Key Project (20170114 and 20200304, 20170114 and 20200304, 20170114 and 20200304)
Natural Science Foundation of Hebei Province (H2024206090, H2024206090, H2024206090)
Hebei Province Central Guidance Local Science and Technology Development Fund Project (246Z7764G, 246Z7764G, 246Z7764G)
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Article History
Received: 30 October 2024
Accepted: 16 January 2025
First Online: 22 January 2025
Declarations
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: The study was conducted according to the Declaration of Helsinki. All data in this research was approved by and the Ethics Review Board of the National Center for Health Statistics in the USA (Protocol #2005–06, Protocol #2011–17, and Protocol #2018–01). All participants were required to sign an informed consent form approved by the Ethics Review Board of the National Center for Health Statistics.
: Not Applicable.
: The authors declare no competing interests.
