1Graduate School, College of Nursing, Chonnam National University, Korea.
2Department of Nursing, Kwangju Health College, Korea.
3Department of Nursing, Mokpo Catholic Univiersity, Korea.
4College of Nursing, Chonnam National Univerisy, Chonnam Research Institute of Nursing Science, Korea. choijy@jnu.ac.kr JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/