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Authors
Chen, Yiming https://orcid.org/0000-0003-1532-6049
Chen, Yijie
Wang, Xue
Chu, Xuelian
Ning, Wenwen
Gu, Linyuan
Li, Liyao
Xie, Zhen
Wen, Caihe
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Funding
Funding for this research was provided by:
Zhejiang Province Public Welfare Technology Application Research Project (LGF19H040006)
Zhejiang Medicine and Health Scientific Research Project (2021KY258)
Hangzhou Medicine and Health Scientific Research Project (2017A052)
Scientific Research Project of Science and Technology Bureau of Yuhang District, Hangzhou City (Medical Treatment and Public Health-2018008)
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Article History
Received: 23 November 2020
Accepted: 25 January 2021
First Online: 2 March 2021
Ethics approval and consent to participate
: The study was approved by Hangzhou Women’s Hospital (Hangzhou Maternity and Child Health Care Hospital) ethics committee, in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. And the approval number was [2020] Medical Ethics Review A (10) -11. Patients' consents were not required because this was a retrospective study.
: Not applicable; this was a retrospective study and no individual person’s personal information is included.
: No potential conflict of interest was reported by the authors.
