1. Graduate Program of Animal Health and Biomedical Science, Faculty of Veterinary Medicine, Kasetsart University, Bangkok, Thailand
2. Section of Epidemiology, Faculty of Veterinary Medicine, Kasetsart University, Kamphaeng Saen, Nakhon Pathom, Thailand
3. Department of Fisheries, Ministry of Agriculture and Cooperatives, Rayong Coastal Aquaculture Research and Development Center, Rayong, Thailand
4. Section of Aquatic Animal Diseases, Faculty of Veterinary Medicine, Kasetsart University, Kamphaeng Saen, Nakhon Pathom, Thailand