Nian, Songwen
Wang, Xiaoqing
Lu, Ye
Article History
Received: 12 June 2024
Accepted: 21 September 2024
First Online: 4 November 2024
Declarations
:
: This study was conducted in accordance with the Declaration of Helsinki. Given the retrospective nature of this study, informed consent from women included in the analysis was not required.
: None.