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Article History

Received: 25 July 2022

Accepted: 10 October 2022

First Online: 17 March 2023

Declarations

:

: The KLoSA survey was approved by the National Statistical Office and Institutional Review Board of the Korea Centers for Disease Control and Prevention. All methods were conducted in accordance with the relevant guidelines and regulations. As the KLoSA database has been published to the public for scientific use, ethical approval was not required for the study. All participants were required to provide written informed consent to participate in the KLoSA survey and agreed to be used in further scientific research. The data were anonymized and de-recognizable with no personal information, with cautious protection on confidentiality.

: There is no detailed information of individual participants in the manuscript.

: The authors declare that they have no competing interests.