[1] Mackay Med Coll, Div Cardiovasc, Dept Internal Med, Mackay Mem Hosp, New Taipei City, Taiwan
[2] Natl Hlth Res Inst, Div Prevent Med & Hlth Serv Res, Inst Populat Hlth Sci, Miaoli, Taiwan
[3] Tainan Municipal Hosp, Off Vice Superintendent Med Affairs, Tainan, Taiwan
[4] Taipei Union Hosp, Dept Cardiol, Taipei, Taiwan
[5] Chang Gung Mem Hosp, Dept Cardiol 2, New Taipei City, Taiwan
[6] Natl Taiwan Univ Hosp, Dept Internal Med, Div Cardiol, Taipei 100, Taiwan
[7] Natl Taiwan Univ, Dept Primary Care Med, Coll Med, Taipei 10764, Taiwan
[8] Cheng Hsin Gen Hosp, Div Cardiol, Ctr Heart, Taipei, Taiwan
[9] Natl Yang Ming Univ, Fac Med, Sch Med, Taipei 112, Taiwan
[10] Taipei Vet Gen Hosp, Dept Med Res & Educ, Taipei, Taiwan
[11] Natl Yang Ming Univ, Inst Pharmacol, Sch Med, Taipei 112, Taiwan