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Authors
Xu, Huiyu https://orcid.org/0000-0003-3310-0828
Yang, Shuo
Cui, Liyan
Feng, Guoshuang
Li, Rong
Qiao, Jie
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Funding
Funding for this research was provided by:
National Key Research and Development Program of China (2016YFC1000201, 2018YFC1002104, 2016YFC1000302)
National Key Research and Development Program of China (2018YFC1002106)
National Natural Science Foundation of China (81300373, 81771650)
The Capital Health Research and Development of Special Project (2018-1-4091)
Program for Innovative Research Team of Yunnan, China (2017HC009)
Major National R&D Projects of China (2017ZX09304012-012)
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Article History
Received: 13 May 2020
Accepted: 14 August 2021
First Online: 19 August 2021
Declarations
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: The authors have declared that no competing interests exist.
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the Human Reproductive Ethics Committee of Peking University Third Hospital and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consents were waived by the Human Reproductive Ethics Committee of Peking University Third Hospital since all the data from human participants were de-identified.
