Funding
This study was supported by the National Key Research and Development
Program (No. 2018YFC1002102), the Assisted Reproductive Technology
Development Cooperation Projects from the Center for International
Exchanges and Cooperation in the National Health and Family Planning
Commission of the People’s Republic of China (No. (2010)237), the
National Key Research and Development Program of China (No.
2016YFC1000201), and the Capital Health Research and Development of
Special (No. 2018-1-4091). The study funders had no role in the study
design, implementation, analysis, manuscript preparation, or decision to
submit this article for publication.