1. Department of Veterinary Medicine, College of Veterinary Medicine, National Chung-Hsing University
2. Graduate Institute of Microbiology and Public Health, College of Veterinary Medicine, National Chung-Hsing University
3. Department of Microbiology and Immunology, School of Medicine, Chung Shan Medical University
4. Clinical Laboratory, Chung Shan Medical University Hospital
5. Institute of Immunology, School of Medicine, Chung Shan Medical University