Bung-Chul Chang, Nam-Hyun Kim, Young-A Kim, Jee Hea Kim, Hae Kyung Jung, Eun Hae Kang, Hee Suk Kang, Hyung Il Lee, Yong Ook Kim, Sun Kook Yoo, Ilnam Sunwoo, Seo Yong An, Hye Jeong Jeong
Healthc Inform Res. 2010;16(1):60-64. Published online March 31, 2010