Funding for this research was provided by:
National Cancer Center (NCC-2111040)
Received: 24 May 2021
Accepted: 4 March 2022
First Online: 17 March 2022
: The Institutional Review Board (IRB) of KCDA, which is in accordance with the guidelines of the Declaration of Helsinki approved the protocols, conduct of the research and data release for the KNHANES (2013-12EXP-03-5C). Prior to participating in the KNHANES, all subjects provided informed consent.
: Not applicable.
: None to declare.