1Associate Professor, College of Nursing, Korea University, Seoul, Korea.
2Assistant Professor, Department of Nursing Science, Sangji University, Wonju, Korea.
3Assistant Adjunct Professor, School of Nursing, University of California, San Francisco, CA, USA.
4Professor, College of Nursing, Korea University, Seoul, Korea. JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/