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Authors
Koh, Yong-Gon https://orcid.org/0000-0002-1036-193X
Lee, Jin-Ah
Lee, Hwa-Yong
Chun, Heoung-Jae
Kim, Hyo-Jeong
Kang, Kyoung-Tak
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Article History
Received: 4 November 2018
Accepted: 13 May 2019
First Online: 23 May 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Approval was not required, as neither human participants nor animals were involved in this study.
