Wang, Heng
Ge, Wanying
Zhu, Chenyang
Sun, Yafang
Wei, Shuguang
Funding for this research was provided by:
Philosophy and Social Science Project of Henan Province, China (2021BTY012, 2021BTY012, 2021BTY012)
Article History
Received: 18 February 2022
Accepted: 5 October 2022
First Online: 19 October 2022
Declarations
:
: All methods were performed in accordance with the Declaration of Helsinki. This study was approved by the Institutional Review Board of Henan Normal University. Since the study subjects were kindergarten children, informed consent was obtained from their legal custodian/legally authorized representative. The participants were informed as they have the right to withdraw from the interview at any time they wish.
: Agreed by all authors.
: The authors declare no competing interests.