1HyoSung Hospital, Daegu, Korea.
2College of Nursing, Research Institute of Nursing Science, Seoul National University, Seoul, Korea.
© 2014 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 manuscript is a condensed form of the first author's doctoral dissertation from Seoul National University.
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