1. Center for Veterinary Diagnosis; Faculty of Veterinary Science; Mahidol University; Salaya Nakhon Pathom Thailand
2. Department of Clinical Sciences and Public Health; Faculty of Veterinary Science; Mahidol University; Salaya Nakhon Pathom Thailand
3. Divisions of Comparative Pathology and Veterinary Medical Research; Department of Veterinary Medicine; Armed Forces Research Institute of Medical Sciences (AFRIMS); Bangkok Thailand