Funding for this research was provided by:
Korea Institute of Planning and Evaluation for Technology in Food, Agriculture, Forestry and Fisheries (116027-032-HD030)
Received: 13 December 2019
Accepted: 8 September 2020
First Online: 18 September 2020
Ethics approval and consent to participate
: The Pusan National University Animal Ethics Committee (no. PNU-2017-1519) approved the protocol for the present study.
: Not applicable.
: The authors declare that they have no competing interests. Dae Youn Hwang, the corresponding author, is a member of the editorial board for [BMC Complementary and Alternative Medicine], which is on a voluntary basis and has no competing interests. All authors alone are responsible for the content and writing of the paper.