Funding for this research was provided by:
Academic Research Fund of Hoseo University (20170054)
Article History
Received: 5 September 2019
Accepted: 13 July 2020
First Online: 17 August 2020
Compliance with ethical standards
:
: SSK, SIL, HSJ, SP declare that they have no conflict of interest.
: This study was approved by the institutional review board of the Korean National Institute of Health (KNIH) and Hoseo University (1041231–170418-h-056–02). Informed consent was obtained from all individual participants included in the study.