Yoo, Gyesook http://orcid.org/0000-0002-2175-5512
Lee, Soomi
Article History
First Online: 23 April 2019
Compliance with ethical standards
:
: The authors declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.
: All procedures performed in this study were in accordance with the ethical standards of the institutional research committee (Kyung Hee University, Seoul, Republic of Korea).
: Informed consent was obtained from all individual participants included in the study.