Funding for this research was provided by:
Ministry of Health and Welfare of Korea (01-PJ8-PG1-01CN2-0003)
Rural Development Administration of Korea (20080401034034)
Received: 12 June 2020
Accepted: 21 July 2020
First Online: 29 July 2020
Ethics approval and consent to participate
: The protocol applied in the present study was allowed by Institutional Animal Care and Use Committee (IACUC) at Kangwon National University (approval No., KW-200113-1).
: Not applicable.
: The authors have declared that there is no conflict of interest.