1. Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan.
2. AIDS Prevention and Research Center, National Yang-Ming University, Taipei, Taiwan.
3. Department of Biotechnology and Laboratory Science in Medicine, National Yang-Ming University, Taipei, Taiwan.
4. Department of Urology, Mackay Memorial Hospital, Taipei, Taiwan.
5. Mackay College of Nursing and Medicine, Taipei, Taiwan.
6. Department of Health, Taipei City Government, Taipei, Taiwan.
7. Department of Microbiology, School of Medicine, National Yang-Ming University, Taipei, Taiwan.