Ma, Xinyue
Wang, Zhao
Zhang, Changming
Bian, Yuehong
Zhang, Xin
Liu, Xin
Cao, Yongzhi
Zhao, Yueran
Funding for this research was provided by:
National Key Research and Development Program of China (2017YFC1001002, 2017YFC1001002, 2017YFC1001002, 2017YFC1001002, 2017YFC1001002, 2017YFC1001002, 2017YFC1001002, 2017YFC1001002)
Article History
Received: 14 October 2021
Accepted: 30 June 2022
First Online: 4 July 2022
Declarations
:
: All patients in this study gave their informed written consent; the protocol for this study was reviewed and approved by the Institutional Review Board of Reproductive Medicine of Shandong University ([2020] Ethical Review #44). All methods of this study were carried out in accordance with relevant guidelines and regulations addressed in the Declaration of Helsinki, adopted by the 18th WMA General Assembly, Helsinki, Finland, June 1964.
: Not applicable.
: The authors declare that they have no competing interests.