Li, Rongrong
Chen, Wei
Liu, Yanping https://orcid.org/0000-0002-1947-0315
Ma, Liangkun
Qiu, Ling
Han, Jianhua
Li, Rui
Funding for this research was provided by:
Fundamental Research Funds for the Central Universities (3332018014)
Project of Science and Technology of Beijing (Z191100008619006)
Article History
Received: 19 August 2020
Accepted: 25 May 2021
First Online: 2 June 2021
Declarations
:
: The study was approved by the Ethics Committee of Peking Union Medical College Hospital (ethical approval number: ZS-1485) on December 19, 2017.
: Written informed consent was obtained from all subjects in the study.
: All the authors listed have approved the manuscript and agreed to its publication in <i>Reproductive Science</i>.
: The authors declare no competing interests.