1. Graduate Institute of Veterinary Pathology, National Chung Hsing University
2. Department of Veterinary Medicine, College of Veterinary Medicine, National Chung Hsing University
3. Department of Veterinary Medicine, National Chia Yi University
4. Division of Microbiology and Immunology, Department of Medicine, Taipei Medical University
5. Chigasaki Laboratory, Shin Mitsui Sugar Co., Ltd.