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Authors
Jeong, Kyuhyoung
Yoon, Jiyeon
Cho, Heeran J.
Kim, Sunghee
Jang, Jihyun
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Article History
Received: 25 May 2022
Accepted: 24 November 2022
First Online: 8 December 2022
Declarations
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: This study was approved by the Institutional Review Board of Semyeong University (IRB SMU-EX-2022-05-001) for the data collected by Statistics Korea and the Ministry of Health and Welfare, who carried out all the methods in accordance with relevant guidelines and regulations and obtained informed consent from all subjects and their legal guardian(s).
: Not applicable.
: The authors declare that they have no competing interests.
