1College of Nursing · The Institute of Nursing Science, Ajou University, Suwon, Korea.
2Department of Surgery, School of Medicine, Ajou University, Suwon, Korea.
3College of Nursing, Ajou University, Suwon, 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 work was funded by the Department of Nursing, Graduate School, Ajou University in Korea.
The authors declared no conflict of interest.