Xu, Chenyang
Fan, Chong
Zhang, Jingjing
Zeng, Xin
Fan, Yuru
Feng, Shanwu
Funding for this research was provided by:
2021 Academic Leaders Hospital Grant (01001647)
Article History
Received: 16 March 2023
Accepted: 24 September 2023
First Online: 2 November 2023
Change Date: 24 November 2023
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/s12884-023-06153-9
Declarations
:
: The study protocol was approved by the Medical Ethics Committee of Nanjing Maternity and Child Health Care Hospital (2020KY035), and all experiments were performed following the Declaration of Helsinki principles for experiments involving humans. Because the retrospective clinical investigation caused no damage to the patients involved, the Medical Ethics Committee of Nanjing Maternity and Child Health Care Hospital agreed to waive informed consent.
: Not applicable.
: The authors declare no competing interests.