[1] New Taipei Municipal TuCheng Hosp, Dept Internal Med, Div Cardiol, New Taipei City, Taiwan
[2] Chang Gung Univ, Coll Med, Taoyuan, Taiwan
[3] Keelung Chang Gung Mem Hosp, Dept Emergency Med, Keelung, Taiwan
[4] Chiayi Chang Gung Mem Hosp, Dept Internal Med, Div Cardiol, Chiayi, Taiwan
[5] Chiayi Christian Hosp, Div Cardiol, Ditmanson Med Fdn, Chiayi, Taiwan
[6] Chiayi Christian Hosp, Dept Internal Med, Ditmanson Med Fdn, Chiayi, Taiwan
[7] Keelung Chang Gung Mem Hosp, Dept Internal Med, Div Cardiol, Keelung, Taiwan
[8] Linkou Chang Gung Mem Hosp, Dept Internal Med, Div Cardiol, Taoyuan, Taiwan