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Authors
Zhou, Nan
Sun, Luning http://orcid.org/0000-0002-2470-4278
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Funding
Funding for this research was provided by:
Young Scientists Fund (31700969)
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Article History
Received: 8 February 2021
Accepted: 26 July 2021
First Online: 3 September 2021
Declarations
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: The study was approved by the Ethics Committee of College of Early Childhood Education, Capital Normal University, China. Written informed consent was obtained from all participants prior to their participation.
: Not applicable.
: The authors declare that they have no competing interests.
