Urtnasan, Erdenebayar
Park, Jong-Uk
Joo, Eun-Yeon
Lee, Kyoung-Joung http://orcid.org/0000-0002-2704-456X
Funding for this research was provided by:
This work was supported by a National Research Foundation of Korea (NRF) grant funded by the Ministry of Education. It is a product of the Local Innovative Creative Human Resource Training Project (NRF-2014H1C1A1063845)
Article History
Received: 28 February 2018
Accepted: 16 April 2018
First Online: 23 April 2018
Compliance with ethical standards
:
: All authors declares that he or she has 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.