Nguyen, Hai Duc http://orcid.org/0000-0001-8419-7784
Article History
Received: 26 December 2022
Accepted: 29 May 2023
First Online: 16 June 2023
Declarations
:
: The KNHANES investigation commission accepted this study (IRB Approval numbers: 2009-01CON-03-2C, 2010-02CON-21-C, 2011-02CON-06-C, 2012-01EXP-01-2C, 2013-07CON-03-4C, 2013-12EXP-03-5C). KNHANES was excluded from assessment on research ethics under the Bioethics and Safety Act from 2016 to 2017.
: All KNHANES participants submitted written informed permission prior to the investigations, which were carried out by the Korea Centers for Disease Control and Prevention's Health and Nutrition Examination Department.
: Not applicable.
: The authors have no conflict of interest to declare.