[1] Keimyung Univ, Sch Med, Dongsan Hosp, Div Cardiol,Dept Internal Med,Cardiovasc Ctr, Daegu, South Korea
[2] Keimyung Univ, Sch Med, Dongsan Hosp, Dept Radiol, Daegu, South Korea
[3] Keimyung Univ, Sch Med, Dongsan Hosp, Dept Infect Dis, Daegu, South Korea