Authors: Young Joon Hong; Myung Ho Jeong; Sun-Jung Song; Doo Sun Sim; Jung Ha Kim; Kyung Seob Lim; Daisuke Hachinohe; Khurshid Ahmed; Seung Hwan Hwang; Min Goo Lee; Jum Suk Ko; Keun-Ho Park; Hyun Ju Yoon; Nam Sik Yoon; Kye Hun Kim; Hyung Wook Park; Ju Han Kim; Youngkeun Ahn; Jeong Gwan Cho; Dong Lyun Cho; Jong Chun Park; Jung Chaee Kang Journal: Korean Circ J Date: 2011-09-29 Impact factor: 3.243