Kim, Ju-Won
Jo, You-Young
Kweon, Hae Yong
Kim, Dae-Won
Kim, Seong-Gon http://orcid.org/0000-0001-5088-2732
Funding for this research was provided by:
Rural Development Administration (PJ01313902)
Article History
Received: 28 February 2018
Accepted: 9 April 2018
First Online: 25 May 2018
Competing interests
: The authors declare that they have no competing interests.
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