Jo, Unhui
Park, Kyong http://orcid.org/0000-0002-4681-1584
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2021R1A2C1007869)
Article History
Received: 8 December 2021
Revised: 24 April 2022
Accepted: 26 April 2022
First Online: 14 June 2022
Competing interests
: The authors declare no competing interests.
: The present study was approved by the institutional review boards of the Korea Disease Control and Prevention Agency (approval numbers: 2008-04EXP-01-C, 2009-01CON-03-2C, 2010-02CON-21-C, 2011-02CON-06-C, 2012-01EXP-01-2C, 2013-07CON-03-4C, 2013-12EXP-03-5C, 2018-01-03-P-A, and 2018-01-03-C-A). Korea National Health and Nutrition Examination Survey (KNHANES) 2015–2017 was conducted without ethical review according to the opinion of the Research Ethics Review Committee of the Korea Disease Control and Prevention Agency.