1. Section of Microbiology, Dept. of Pathology and Laboratory Medicine
2. Department of Medical Technology, Foo-Yin Institute of Technology, Kaohsiung, Taiwan
3. School of Medicine, National Yang-Ming University, Taipei, Taiwan
4. Section of Infectious Diseases, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
5. Graduate Institute of Environmental Education, National Kaohsiung Normal University, Kaohsiung, Taiwan