Xu, Jinglin
Fang, Lingyu
Chen, Jiangbin
Chen, Xinhua
Yang, Hansong
Zhang, Weifeng
Wu, Lianqiang
Chen, Dongmei
Article History
Received: 17 November 2022
Revised: 1 March 2023
Accepted: 9 March 2023
First Online: 29 March 2023
Declarations
:
: Considering this is an observational study, the Medical Ethics Committee of Quanzhou Maternity and Children’s Hospital has confirmed that no ethical approval is required.
: The authors declare no competing interests.