Division of Gastroenterology;
Department of Internal Medicine;
Kaohsiung Veterans General Hospital and St. Martin De Porres Hospital;
National Yang-Ming University;
Kaohsiung;
Taiwan;
China;
Department of Pathology;
Kaohsiung Veterans General Hospital and National Yang-Ming University;
Kaohsiung;
Taiwan;
China;
Department of Nuclear Medicine;
Kaohsiung Veterans General Hospital and National Yang-Ming University;
Kaohsiung;
Taiwan;
China;