Funding for this research was provided by:
National research foundation of Korea (NRF-2018-R1D1A1A02085328)
Hallym University Research Fund (HURF-2018-48)
Article History
Received: 9 February 2020
Accepted: 25 May 2020
First Online: 1 June 2020
Compliance with ethical standards
:
: None.
: The ethics committee of Hallym University (2017-I102) permitted this study. Written informed consent was waived by the Institutional Review Board. All analyses adhered to the guidelines and regulations of the ethics committee of Hallym University.
: Not applicable.
: Not applicable.