Lee, Sung Ryul http://orcid.org/0000-0003-0201-0627
Lee, Seung Geun
Byun, Geon Young
Kim, Myoung Jin
Koo, Bum Hwan
Article History
Received: 26 October 2017
Accepted: 10 February 2018
First Online: 20 February 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The Institutional Review Board of the Korea National Institute for Bioethics Policy, Seoul, South Korea, approved this study.