1. Graduate Program in Animal Health and Biomedical Sciences, Faculty of Veterinary Medicine Kasetsart University Bangkok Thailand
2. Department of Veterinary Microbiology and Immunology, Faculty of Veterinary Medicine Kasetsart University Bangkok Thailand
3. Center for Advanced Studies for Agriculture and Food Institute for Advanced Studies, Kasetsart University Bangkok Thailand
4. Department of Pathology, Faculty of Veterinary Medicine Kasetsart University Bangkok Thailand