[1] Chiayi Chang Gung Mem Hosp, Div Gastroenterol & Hepatol, Dept Internal Med, 6 Sect West,Jiapu Rd, Puzi 61363, Chiayi, Taiwan
[2] Chia Nan Univ Pharm & Sci, Dept Hlth & Nutr, Tainan, Taiwan
[3] Chang Gung Univ, Coll Med, Taoyuan, Taiwan
[4] Chiayi Chang Gung Mem Hosp, Div Cardiol, Dept Internal Med, Chiayi, Taiwan
[5] Kaohsiung Chang Gung Mem Hosp, Div Hepatogastroenterol, Dept Internal Med, Kaohsiung, Taiwan