Kyung Suk Choi, Soo Hee Hwang, Hyun Kyung Koo, Yoo Mi Cho, Eun Sook Lee, Sukhyang Lee, Hong Bin Kim, Yoon Seok Chang, Ho Jun Chin, Dong Wan Chae, Yoon Kim, Byung Koo Lee

J Korean Soc Med Inform.2008;14(4):373-385.   Published online 2008 December 31     DOI: http://dx.doi.org/10.4258/jksmi.2008.14.4.373