1. Division of Infectious Diseases, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
2. Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
3. College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
4. Department of Medicine, Chi Mei Medical Center, Tainan, Taiwan
5. Department of Health and Nutrition, Chia Nan University of Pharmacy and Science, Tainan, Taiwan
6. Department of Microbiology and Immunology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
7. Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
8. Department of Laboratory Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan