Jin Hee Kim, Kyunghee Park, Seon-Hee Yim, Jin Eun Choi, Jae Sook Sung, Ju-Yeon Park, Yi Young Choi, Hyo-Sung Jeon, Jae Yong Park, Hyoung Kyu Yoon, Yeul Hong Kim, Byung Su Yoo, Young Tae Kim, Hae-Jin Hu, Yeun-Jun Chung, Ho Kim, Sook Whan Sung, Yun-Chul Hong

J Korean Med Sci.2013;28(6):840-847.   Published online 2013 June 3     DOI: http://dx.doi.org/10.3346/jkms.2013.28.6.840