1Associate Professor, College of Nursing Science, East-West Nursing Institute, Kyung Hee University, Seoul, Korea.
2Research Fellow, College of Nursing Science, Kyung Hee University, Seoul, Korea.
© 2011 Korean Society of Nursing Science
The work was supported by the Korea Research Foundation Grant funded by the Korea Government (MOEHRD, Basic Research Promotion Fund) (KRF-2007-E00289).