[1] Kaohsiung Chang Gung Mem Hosp, Div Hepatogastroenterol, Dept Internal Med, Kaohsiung, Taiwan
[2] Linkou Chang Gung Mem Hosp, Chang Gung Med Fdn, Gastroenterol & Hepatol, Taoyuan, Taiwan
[3] Linkou Chang Gung Mem Hosp, Gastroenterol & Hepatol, Taoyuan, Taiwan
[4] Kaohsiung Chang Gung Mem Hosp, Div Hepatogastroenterol, Dept Internal Med, Kaohsiung, Taiwan
[5] Chang Gung Mem Hosp, Div Hepatol, Dept Gastroenterol & Hepatol, Linkou Med Ctr, Kaohsiung, Taiwan