[1] Natl Cheng Kung Univ, Coll Med, Inst Clin Med, Tainan, Taiwan
[2] Chi Mei Med Ctr, Dept Internal Med, Div Cardiol, Tainan, Taiwan
[3] Southern Taiwan Univ Sci & Technol, Dept Biotechnol, Tainan, Taiwan
[4] Natl Cheng Kung Univ, Natl Cheng Kung Univ Hosp, Coll Med, Div Cardiol,Internal Med, Tainan 70401, Taiwan