1Department of Nursing, Daejeon University, Daejeon, Korea.
2Department of Emergency Medical Technology, Daejeon University, Daejeon, Korea.
© 2014 Korean Academy of Community Health Nursing
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
This study was supported by Daejeon Metropolitan Government and Ministry of Health and Welfare Research Grant of Korea in 2012.