Wang, Yi-yi
Duan, Hua http://orcid.org/0000-0002-9428-7561
Wang, Sha
Quan, Yong-jun
Huang, Jun-hua
Guo, Zheng-chen
Funding for this research was provided by:
National Key Research and Development Program of China (2018YFC1004803)
National Natural Science Foundation of China (No. 81571412)
Article History
Received: 4 February 2021
Accepted: 4 May 2021
First Online: 14 May 2021
Declarations
:
: All participants signed written informed consent forms. The study was approved by the Medical Ethics Committee of Beijing Obstetrics and Gynecology Hospital, Capital Medical University (IEC-C-29-V02-FJ1).
: Not applicable.
: There are no conflicts of interest to declare.