Funding for this research was provided by:
Kangwon National University (21107682)
Article History
Received: 26 September 2022
Revised: 6 May 2023
Accepted: 8 May 2023
First Online: 9 June 2023
Declarations
:
: The authors declare that they have no relevant or material financial interests that relate to the research described in this paper.
: The current study utilized publicly available data from the Ministry of Education. Because the research did not involve any interaction or intervention with human subjects, including the collection of any identifiable information, no approval from an institutional review board was required. This material is the authors’ own original work, which has not been previously published elsewhere and is not pending publication.
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