Xu, Junting
Zhou, Hong
Zhou, Tianfan
Guo, Yi
Liang, Shanshan
Jia, Yanping
Li, Kunming
Teng, Xiaoming
Funding for this research was provided by:
Natural Science Foundation of Shanghai,China (grant No. 21ZR1450700)
Article History
Received: 12 June 2022
Accepted: 2 September 2022
First Online: 22 September 2022
Declarations
:
: This study obtained the approval of Research Ethics Committee of Shanghai First Maternity and Infant Hospital. Written informed consent was waived due to the retrospective nature, and patients’ data were used anonymously.
: Not applicable.
: The authors declare that they have no competing interests.