Zhang, Li
Zheng, Wei
Huang, Wenyu
Zhang, Lirui
Liang, Xin
Li, Guanghui
Article History
Received: 10 May 2021
Accepted: 29 November 2021
First Online: 5 January 2022
Declarations
:
: The study was approved by the Ethics Committee of the Beijing Obstetrics and Gynecology Hospital (2017-KY-015-01). All procedures were performed in accordance with the Declaration of Helsinki and informed consents were obtained from all subjects.
: Not applicable.
: None.