Li, Yanxia
Chen, Qian
Liu, Li
Yang, Xing
Mu, Huijuan
Wang, Qihao
Lian, Jian
Chen, Huijie
Gao, Yuan
Yan, Lingjun
Sun, Wei
Pan, Guowei
Funding for this research was provided by:
Science and Technology Innovation Team of China Medical University (CXTD2022006)
Article History
Received: 23 December 2023
Accepted: 26 April 2024
First Online: 20 May 2024
Declarations
:
: The cross-sectional study based on our survey was conducted in accordance with the Declaration of Helsinki on ethical principles for medical research involving human subjects. The ethics committee of Liaoning Provincial Center for Disease Control and Prevention approved of the study. Parents were informed about the study and given an information sheet describing the study. Children were included if their parents had given written informed consent. This was considered to be the most appropriate mode as the study was of a simple, observational design with minimal risk.
: Not applicable.
: The authors declare no competing interests.