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Authors
Park, Jonghyun
Yang, Kyung Yong
Lee, Joonnyong
Youn, Kibum
Lee, Jehee
Chung, Sun Gun
Kim, Hee Chan
Kim, Keewon https://orcid.org/0000-0001-6597-578X
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Funding
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2016M3A9F1941984)
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Article History
Received: 3 October 2017
Accepted: 28 March 2018
First Online: 9 April 2018
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.
