^*The authors wishes to acknowledge the financial support of the Catholic Medical Center Research Foundation made in the program year of 2009.

Address reprint requests to: Yoo, Yang-Sook. College of Nursing, Jeju national University, 505 Banpo-dong, Seocho-gu, Seoul 137-701, Korea. Tel: +82-2-2258-7411, Fax: +82-2-2258-7772, ysyoo@catholic.ac.kr

After correction

^*The authors wishes to acknowledge the financial support of the Catholic Medical Center Research Foundation made in the program year of 2009.

Address reprint requests to: Yoo, Yang-Sook. College of Nursing, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul 137-701, Korea. Tel: +82-2-2258-7411, Fax: +82-2-2258-7772, ysyoo@catholic.ac.kr

DOI of original article: 10.4040/jkan.2012.42.2.207

^*Address reprint requests to: Yoo, Yang-Sook, College of Nursing, Jeju national University, 505 Banpo-dong, Seocho-gu, Seoul 137-701, Korea. Tel: +82-2-2258-7411, Fax: +82-2-2258-7772, ysyoo@catholic.ac.kr