, Ji-Yun Lee2, Kyung Jin Hong3, Hyo-Jeong Yoon4, Won-Hee Sim5, Moon-Sook Kim6, Iksoo Huh71Professor, College of Nursing · Research Institute of Nursing Science, Seoul National University, Korea. JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/