Cho, Jaeyoung http://orcid.org/0000-0002-6537-8843
Kwak, Nakwon
Choi, Sun Mi
Lee, Jinwoo
Park, Young Sik
Lee, Chang-Hoon
Lee, Sang-Min
Yoo, Chul-Gyu
Kim, Young Whan
Han, Sung Koo
Article History
Received: 8 July 2019
Revised: 26 October 2019
Accepted: 5 November 2019
First Online: 2 December 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: 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.
: Informed consent was obtained from all individual participants included in the study.