Article History
Received: 26 May 2022
Accepted: 17 November 2023
First Online: 5 December 2023
Declarations
:
: Written informed consent of all participants was obtained from the parents/guardians of the minors included in this study. This study was approved by the Institutional Review Board at the Third Affiliated Hospital of Zhengzhou University (approval number 2021–091-01). All methods were carried out in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Not applicable.
: Wei Wang, Yan Wang, Ya Xiao, Niuniu Cao, Yifan Wang declare no conflict of interest.