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Article History

Received: 1 May 2023

Accepted: 31 July 2023

First Online: 25 August 2023

Declarations

:

: The authors declare no competing interests.

: The Institutional Review Board of the Korea Institute for Health and Social Affairs (KIHASA) reviewed and approved the protocol (KIHASA No. 2020-76). Written informed consent was obtained from all participants prior to the survey. All the methods included in this study are in accordance with the declaration of Helsinki.

: Not applicable.