Park, Susan
Jung, Sun-Young
Kwon, Jin-Won
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2019R1I1A1A01046991)
Article History
Received: 28 February 2019
Accepted: 9 December 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: This study was approved by the institutional review board of Kyungpook National University (IRB number: KNU 2016–0077). After the National Health Insurance Service (NHIS) review committee reviewed the ethics approval and research proposal, we had the permission to use the NHIS-HEALS data (NHIS-2017-2-465). The data were released after anonymisation and de-identification; therefore, informed consent could not be obtained from individual participants.
: Not applicable.
: The authors declare that they have no competing interests.