Lee, Young Hwan
Kim, Kyong-Jee http://orcid.org/0000-0002-1936-5128
Funding for this research was provided by:
Dongguk University
Article History
Received: 26 July 2018
Accepted: 12 October 2018
First Online: 23 October 2018
Ethics approval and consent to participate
: An ethical review was conducted and informed consent was exempted by the institutional review board of Dongguk University, Gyeongju (IRB approval number: DGU IRB 20170020).
: Not applicable.
: The authors have no competing interests.
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