Choi, Mi-Kyeong
Bae, Yun Jung http://orcid.org/0000-0003-1185-3095
Funding for this research was provided by:
This work was supported by the research grant of the Kongju National University in 2018.
Article History
Received: 1 May 2019
Accepted: 14 October 2019
First Online: 7 November 2019
Compliance with Ethical Standards
: The study followed the guidelines of the Declaration of Helsinki and all participants provided their written informed consent.
: The authors of this study declare that there is no conflict of interest.