[1] Kaohsiug Chang Gung Mem Hosp, Dept Internal Med, Div Hepatogastroenterol, Kaohsiung 833, Taiwan
[2] Kaohsiug Chang Gung Mem Hosp, Div Pulm & Crit Care, Dept Internal Med, Kaohsiung 833, Taiwan
[3] Kaohsiug Chang Gung Mem Hosp, Dept Pathol, Kaohsiung 833, Taiwan
[4] Kaohsiug Chang Gung Mem Hosp, Dept Neurol, Kaohsiung 833, Taiwan
[5] Kaohsiug Chang Gung Mem Hosp, Dept Surg, Kaohsiung 833, Taiwan