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Authors
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Funding
Funding for this research was provided by:
the National Natural Science Foundation of China (81660173)
the Science and Technology Program of Health and Family Planning Commission of Jiangxi Province (20175234)
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Article History
Received: 28 March 2020
Accepted: 3 July 2020
First Online: 11 July 2020
Compliance with ethical standards
:
: The authors have no conflicts of interest.
