Before correction
![jkan-41-732-g001](/upload/SynapseData/ArticleImage/0006jkan/jkan-41-732-g001.jpg)
After correction
![jkan-41-732-g002](/upload/SynapseData/ArticleImage/0006jkan/jkan-41-732-g002.jpg)
DOI of original article: 10.4040/jkan.2010.40.5.611
*Address reprint requests to: Choe, Myoung-Ae, College of Nursing, Seoul National University, 28 Yeongeon-dong, Jongno-gu, Seoul 110-744, Korea. machoe@snu.ac.kr