Lee, Ji Yeon
Han, Kyungdo
Park, Yong Gyu
Park, Sung-Hwan
Article History
Received: 15 May 2019
Revised: 16 August 2019
Accepted: 20 August 2019
First Online: 29 August 2019
Compliance with ethical standards
: All participants in KNHANES V provided written informed consent for participation in the survey and use of data for research purposes. As this study used de-identified national survey data from KNHANES V, it has been granted an exemption from requiring ethics approval by Institutional Review Board of Catholic University of Korea (KC14EISI0096).
: None.