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Authors
Li, ShunBo
Huang, Qian
Song, PeiPei
Han, XiaoRong
Liu, ZeYu
Zhou, Lin
Ning, Ping https://orcid.org/0000-0001-5799-7030
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Article History
Received: 3 October 2022
Accepted: 25 June 2023
First Online: 25 July 2023
Declarations
:
: The Institutional Review Board of Chengdu Women’s and Children’s Central Hospital approved this study (reference number 2022(96)). Informed consent was waived by the local Ethics Committee of Chengdu Women’s and Children’s Central Hospital in view of the retrospective nature of the study and that all the procedures being performed were part of the routine medical care. The study followed the latest version of the Helsinki Declaration.
: Not applicable.
: ShunBo Li, Qian Huang, PeiPei Song, XiaoRong Han, ZeYu Liu, Lin Zhou, Ping Ning declare they have no conflict of interest.
