Funding for this research was provided by:
the Korean Society of Hypertension (KSH-R-2018-06)
Article History
Received: 19 August 2019
Accepted: 18 October 2019
First Online: 15 December 2019
Ethics approval and consent to participate
: The KNHANES protocols were approved by the Institutional Review Board (IRB) of KCDC (2013-07CON-03-4C, 2013–12-EXP-03-5C). All participants provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.