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Authors
Qu, Shui-ling
Wang, Ai-ling
Yin, Hong-mei
Deng, Jin-qi
Wang, Xiao-yan
Yang, Ye-huan
Pan, Xiao-ping
Zhang, Tong http://orcid.org/0000-0003-4491-3015
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Funding
Funding for this research was provided by:
Research Project of Chinese Center for Disease Control and Prevention (JY18-2-37)
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Article History
Received: 14 December 2021
Accepted: 8 May 2022
First Online: 15 June 2022
Declarations
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: The study has been approved by the Ethics Review Committee of National Center for Women and Children's Health Chinese Center for Disease Control and Prevention (Approval No.: FY2018-06) and of Chinese Center for Disease Control and Prevention (Approval No.: 201922). Informed consent was obtained from the investigated participants. Participants were offered the option to refuse any question and to withdraw from the study at any time without repercussion.
: Not applicable.
: The authors declare that they have no conflicts of interests.
