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Authors
Wang, Hu https://orcid.org/0000-0002-7802-9167
Sun, Xue-Cheng
Li, Jian-Hui
Yin, Li-Qiang
Yan, Yu-Fang
Ma, Xu
Xia, Hong-Fei
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Funding
Funding for this research was provided by:
National Key Research and Development Program of China (2016YFC1000803)
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Article History
Accepted: 7 November 2022
First Online: 17 January 2023
Declarations
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: The authors declare that they have no competinginterests.
: Ethical approval to report this case was obtained fromthe National Research Institute for Family Planning (Ethics Number2015-16).
: All authors gave consent for publication.
: There are no human subjects in this article andinformed consent is not applicable.
: All procedures in thisstudy were conducted in accordance with the National Research Institutefor Family Planning (Ethics Number 2015–16) approved protocols.
