1. Division of Infectious Diseases and Tropical Medicine, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
2. University Center for Bioscience and Biotechnology, National Cheng Kung University, Tainan, Taiwan
3. Department of Biochemistry and Molecular Biology, National Cheng Kung University, Tainan, Taiwan
4. School of Medicine, National Yang-Ming University, Taipei, Taiwan
5. Department of Emergency Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
6. Institute of Preventive Medicine, National Defense Medical Center, Taipei, Taiwan
7. School of Public Health, National Defense Medical Center, Taipei, Taiwan
8. National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Zhunan, Taiwan
9. Graduate Institute of Medical Sciences, National Defence Medical Centre, Taipei, Taiwan
10. Department of Medical Techniques, Taipei City Hospital Ren-Ai Branch, Taipei, Taiwan