Wang, Xiaojuan
Chen, Yisong
Hu, Changdong
Hua, Keqin
Article History
Received: 14 July 2021
Accepted: 5 October 2021
First Online: 11 October 2021
Declarations
:
: The study protocol was approved by the Ethics Committee at Obstetrics and Gynecology Hospital of Fudan University (No. 2020-20). All methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: There are no financial or other potential conflicts of interest for any of the authors.