Chung, Soo Jie
Kang, Sung-Yoon
Kang, Rae-Young
Kim, Young-Chan
Lee, Kyung-Hun
Kim, Tae-Yong
Han, Sae-Won
Kang, Hye-Ryun http://orcid.org/0000-0002-2317-4201
Article History
Received: 23 January 2018
Accepted: 2 August 2018
First Online: 13 August 2018
Compliance with ethical standards
:
: The authors have no conflict of interest to declare.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.