Zhang, Dan
Chen, Xiuying
Xia, Hexia
Wang, Lu
Zhao, Hongbo
Xu, Bufang
Zhang, Aijun
Zhang, Wei http://orcid.org/0000-0001-7187-108X
Funding for this research was provided by:
National Natural Science Foundation of China (81701513, 8177060587)
Specialized Research Fund for New Teachers of Chinese Higher Education Doctoral Program (20130071120095)
Merck-Serono Chinese Research Fund (MerckSerono_CREATE-2016116)
Article History
Received: 21 February 2020
Accepted: 26 August 2020
First Online: 3 September 2020
Ethics approval and consent to participate
: This study was approved by the Medical Ethics Committee of the Obstetrics and Gynecology Hospital of Fudan University ([2015]23), and written informed consent was obtained from all the participants in this study.
: Not applicable.
: The authors declare that they have no competing interests.