Funding for this research was provided by:
National Research Foundation of Korea (2021R1C1C2008683, 2022R1I1A3070074)
Received: 12 July 2022
Accepted: 7 October 2022
First Online: 29 October 2022
: The study design, protocols, and data release for KNHANES were approved by the Institutional Review Board of KDCA (2018-01-03-P-A and 2018-01-03-C-A). Some work was conducted without IRB approval as research conducted directly by the government for the public welfare according to the Bioethics and Safety Act of Korea [CitationRef removed]. Informed consent was obtained from all participants, and all methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors have no competing interests related to this work.