1. Radioimmunoassay, Department of Nuclear Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
2. Medical Laboratory Science and Biotechnology, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan.
3. Master's and PhD Program in Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
4. Division of Hepatobiliary Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
5. Department of Internal Medicine, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.