1. Laboratory for Bacteriology and Mycology, Center for Laboratory Research and Diagnostics, Center for Disease Control, Taipei, Taiwan
2. Department of Public Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan
3. Taipei City Hospital, Branch for Disease Control & Prevention, Taipei, Taiwan
4. Chung-Ho Memorial Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan