Park, Jong Eun
Yeob, Kyoung Eun
Kim, So Young
Kim, Chul-Woung
Han, Hye Sook
Park, Jong Hyock http://orcid.org/0000-0003-3247-0827
Funding for this research was provided by:
Chungbuk National University Korea National University Development Project
Article History
Received: 25 October 2021
Accepted: 17 January 2022
First Online: 28 January 2022
Declarations
:
: The authors declare no competing interests.
: This study was approved by the institutional review board of the Korea Disease Control and Prevention Agency (2007-02CON-04-P; 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; and 2018–01-03-P-A). The procedures used in this study adhere to the tenets of the Declaration of Helsinki.
: All study participants provided written informed consent.