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Authors
Wu, Shao-Wen
Li, Lin https://orcid.org/0000-0002-3597-3350
Feng, Fan
Wang, Li
Kong, Yuan-Yuan
Liu, Xiao-Wei
Yin, Chenghong
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Funding
Funding for this research was provided by:
National Key Research and Development Program of China (2016YFC1000101)
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Article History
Received: 30 April 2021
Accepted: 4 July 2021
First Online: 21 July 2021
Declarations
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: This study was approved by the Ethics Committee of Beijing Obstetrics and Gynecology Hospital and was conducted in accordance with the 1964 Helsinki Declaration and its later amendments. The participants signed an informed consent form for this study.
: Consent for publication was obtained from the patient’s parents before starting the publication process.
: The authors declare no conflicts of interest.
