Kang, Sun
Lee, Yonggu
Lim, Young-Hyo
Park, Hyun-Kyung
Cho, Sung Ho
Cho, Seok Hyun
Funding for this research was provided by:
National Research Foundation of Korea (2017M3A9E2064626)
Article History
Received: 3 May 2019
Revised: 18 July 2019
Accepted: 24 July 2019
First Online: 10 August 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.