Hepatobiliary Division;
Department of Internal Medicine;
Kaohsiung Medical University Hospital;
Kaohsiung;
Taiwan;
China;
Department of Internal Medicine;
Kaohsiung Municipal Hsiao-Kang Hospital;
Kaohsiung;
Taiwan;
China;
Department of Occupational Medicine;
Kaohsiung Municipal Hsiao-Kang Hospital;
Kaohsiung;
Taiwan;
China;