Ki Hong Lee, Myung Ho Jeong, Cho Yun Chung, Donghan Kim, Min Goo Lee, Keun-Ho Park, Doo Sun Sim, Nam Sik Yoon, Hyun Ju Yoon, Kye Hun Kim, Young Joon Hong, Ju Han Kim, Youngkeun Ahn, Jeong Gwan Cho, Jong Chun Park, Jung Chaee Kang

Korean Circ J.2012;42(5):355-359.   Published online 2012 May 24     DOI: http://dx.doi.org/10.4070/kcj.2012.42.5.355