Kang, Kyoung-Tak
Kwon, Sae Kwang
Son, Juhyun
Kwon, Oh-Ryong
Lee, Jun-Sang
Koh, Yong-Gon
Article History
Received: 12 November 2017
Accepted: 28 March 2018
First Online: 5 April 2018
Compliance with ethical standards
:
: The authors declare no conflict of interest.
: Approval was not required, as neither human participants nor animals were involved in this study.