Hae Reung Lee, Hyeon Keun Kim, Jang Suk Yoo, Kyu Nam Kim, Seon Yeong Lee, Sun Mi Yoo, Hyo Bin Kim, Bong Seong Kim, Soo Jong Hong, Ja Hyeung Kim, So Yeon Lee, Moon Woo Seong, Do Hoon Lee
Korean J Fam Med. 2009;30(1):31-38. Published online January 10, 2009