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Authors
Chen, Hanyi
Zhou, Yi
Sun, Lianghong
Chen, Yichen
Qu, Xiaobin
Chen, Hua
Rajbhandari-Thapa, Janani
Xiao, Shaotan
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Funding
Funding for this research was provided by:
Health and Family Planning Committee of Pudong New Area (PW2018B-02, PWRd2019-11)
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Article History
Received: 12 November 2019
Accepted: 17 May 2020
First Online: 3 June 2020
Ethics approval and consent to participate
: The retrospective research did not involve human participants. Individual information was anonymized and de-identified prior to analysis. Strict confidentiality of individual data was practiced during the entire study.
: Not applicable.
: None.
