Funding for this research was provided by:
National Natural Science Foundation of China (81771553, 81671436, 81871144)
Ningbo Municipal Bureau of Science and Technology (2017A610169, 2020S001)
Science and Technology Commission of Shanghai Municipality (2017ZZ01016)
Shanghai Shen Kang Hospital Development Center (SHDC2020CR2062B)
Article History
Received: 27 August 2020
Accepted: 11 February 2021
First Online: 19 February 2021
Ethics approval and consent to participate
: This study was approved by the Institutional Ethics Review Board of the Shanghai OB/GYN Hospital, Fudan University. All tissue samples were obtained after written, full and informed consent from recruited subjects.
: All authors have approved the final version of this manuscript and consent for its publication.
: All authors declare that they have no competing interests.