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Authors
Chen, Dezhong
Lin, Li
Li, Chunrong
Chen, Weiqing
Zhang, Yuying
Ren, Yan
Guo, Vivian Yawei
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Funding
Funding for this research was provided by:
Fundamental Research Funds for the Central Universities (22qntd4201)
National Natural Science Foundation of China (82204069)
Start-up fund from the Sun Yat-sen University (51000-18841211)
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Article History
Received: 24 September 2022
Accepted: 31 January 2023
First Online: 6 February 2023
Declarations
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: All mothers have signed an informed consent at the time of enrollment. Ethical approval for this study was granted by the Ethics Committee of School of Public Health, Sun Yat-sen University with an approval number of 2021[116].
: Not applicable.
: The authors declare that they have no competing interests.
