1College of Life Science and Natural Resources Department of Nursing, Sunchon National University, Sunchon, Korea.
2College of Nursing, Dankook University, Cheonan, Korea.
3College of Nursing·Institute of Health Science, Gyeongsang National University, Jinju, Korea.
© 2016 Korean Society of Nursing Science
This is an Open Access article distributed under the terms of the Creative Commons Attribution NoDerivs License. (http://creativecommons.org/licenses/by-nd/4.0/) If the original work is properly cited and retained without any modification or reproduction, it can be used and re-distributed in any format and medium.
This paper was supported by Research Funds of Sunchon National University in 2014.
The authors declared no conflict of interest.