Hyun, Young Youl
,
Lee, Kyu-Beck http://orcid.org/0000-0002-3904-5404
Chung, Wookyung
Kim, Yong-Soo
Han, Seung Hyeok
Oh, Yun Kyu
Chae, Dong-Wan
Park, Sue Kyung
Oh, Kook-Hwan
Ahn, Curie
Funding for this research was provided by:
Korea Centers for Disease Control & Prevention (2011E3300300, 2012E3301100, 2013E3301600)
Article History
Accepted: 4 December 2018
First Online: 7 December 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in the 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