Kim, Ji Youn http://orcid.org/0000-0003-3869-7221
Chung, Woo-Suk http://orcid.org/0000-0002-1793-0082
Lee, Hyeun Jin http://orcid.org/0000-0003-2300-463X
An, Ji Hae http://orcid.org/0000-0002-1095-1737
Son, Jang Shin
Article History
Received: 11 August 2019
Accepted: 7 October 2019
First Online: 17 October 2019
Compliance with ethical standards
:
: 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.