Li, Yuemei
Zhang, Lin
Yu, Hu
Wang, Jian
Wang, Shuo
Liu, Jungang
Zheng, Qiang https://orcid.org/0000-0002-7853-8033
Funding for this research was provided by:
National Natural Science Foundation of China (61802330, 61802331)
Xiamen Science and Technology Plan Project (3502Z202009220)
Article History
Received: 25 April 2023
Revised: 29 August 2023
Accepted: 31 August 2023
First Online: 6 November 2023
Declarations
:
: The scientific guarantor of this publication is Qiang Zheng from Yantai University.
: The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
: No complex statistical methods were necessary for this paper.
: The scientific ethics committee of local hospital approved this retrospective study and waived the requirement for informed patient consent (Approval number: [2022] No.18).
: Institutional Review Board approval was obtained.
: The study subjects were collected from the children aged 3–6 years between January 2016 and June 2021 at local children’s hospital.
: • retrospective• diagnostic or prognostic study• performed at one institution