Sunwoo, Jun-Sang
Shin, Dae-Seop
Hwangbo, Young
Kim, Won-Joo
Chu, Min Kyung
Yun, Chang-Ho
Jang, Taekyoung
Yang, Kwang Ik
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2017R1D1A1B04035931)
Soonchunhyang University (N/A)
Article History
Received: 30 October 2018
Revised: 9 February 2019
Accepted: 14 February 2019
First Online: 25 February 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.