Eom, Sang-Yong
Yim, Dong-Hyuk
Huang, Mingai
Park, Choong-Hee
Kim, Guen-Bae
Yu, Seung-Do
Choi, Byung-Sun
Park, Jung-Duck
Kim, Yong-Dae http://orcid.org/0000-0003-4671-8045
Kim, Heon
Article History
Received: 20 March 2019
Accepted: 3 November 2019
First Online: 15 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: Informed consent was obtained from all study participants.
: All study procedures that involved human participants were performed in accordance with the ethical standards of the institutional research committee (Institutional Review Board of Chungbuk National University, CBNU-IRB-2011-BQ02) and with the 1964 Helsinki Declaration and its later amendments, or comparable ethical standards.