Chen, Chao
Lei, Zhijun
Xiong, Yaoxi
Ni, Meng
He, Biwei
Gao, Jing
Zheng, Panchan
Xie, Xianjing
He, Chengrong
Yang, Xingyu
Cheng, Weiwei
Funding for this research was provided by:
National Natural Science Foundation of China (81370727, 81501256)
Article History
Received: 28 June 2023
Accepted: 9 October 2023
First Online: 1 December 2023
Declarations
:
: This study was approved by the International Peace Maternity and Child Health Hospital Ethics Committee. The need for informed consent was waived by the International Peace Maternity and Child Health Hospital Ethics Committee, as this study was a registry-based study that used anonymized retrospective data. All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no conflicts of interest.