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Authors
Xiang, Hongyu
Lin, Li
Chen, Weiqing
Li, Chunrong
Liu, Xinxia
Li, Jinghua
Ren, Yan
Guo, Vivian Yawei
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Funding
Funding for this research was provided by:
the Chengdu Science and Technology Bureau (2019-YF09-00240-SN)
the Fundamental Research Funds for the Central Universities, Sun Yat-sen University (22qntd4201)
the start-up fund from the Sun Yat-sen University (51000-18841211)
National Natural Science Foundation of China (82204069)
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Article History
Received: 21 June 2022
Accepted: 20 December 2022
First Online: 27 December 2022
Declarations
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: The research was conducted by the 1964 Helsinki Declaration and its later amendments, and obtained ethical approval from the Ethics Committee of School of Public Health, Sun Yat-sen University (Ethical approval number: 2021[116]). After the intention and procedure of this study had been fully explained in detail, each parent has signed an informed consent before attending this study.
: Not applicable.
: The authors declare no conflict of interest.
