Choi, Hyo Geun
Lee, Joon Kyu
Kong, Il Gyu
Lim, Hyun
Kim, So Young http://orcid.org/0000-0002-7361-4930
Funding for this research was provided by:
national research foundation of Korea (2017R1C1B1007696, NRF-2018-R1D1A1A02085328)
Article History
Received: 15 October 2018
Accepted: 28 November 2018
First Online: 3 December 2018
Compliance with ethical standards
:
: The authors declare that they have no financial disclosure.
: 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 Ethics Committee of Hallym University (2014-I148) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Written informed consent was exempted by the Institutional Review Board.