Authors: Jun Hyuk Kang; Seung-Woon Rha; Dae In Lee; Sua Kim; Jae Hyoung Lee; Seung Hun Kang; Sung Yoon Lim; Byoung Geol Choi; Amro Elnagar; Sun Won Kim; Sung Il Im; Seong Woo Han; Jin Oh Na; Cheol Ung Choi; Hong Euy Lim; Jin Won Kim; Eung Ju Kim; Chang Gyu Park; Hong Seog Seo; Dong Joo Oh Journal: Korean Circ J Date: 2012-03-26 Impact factor: 3.243