1Professor, College of Nursing, Catholic University of Daegu, Daegu, Korea.
2Doctoral Student, College of Nursing, Catholic University of Daegu, Daegu, Korea.
© 2011 Korean Society of Nursing Science
This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (NRF-2009-0067064).