1. Ph.D. Program in Veterinary Clinical Studies, Faculty of Veterinary Medicine, Kasetsart University, Bangkok, Thailand
2. Department of Marine and Coastal Resources of Thailand, Bangkok, Thailand
3. Kasetsart University Veterinary Teaching Hospital, Faculty of Veterinary Medicine, Kasetsart University, Bangkok, Thailand
4. Cyclotron Research Center, Iwate Medical University, Iwate, Japan
5. Department of Veterinary Science, School of Veterinary Medicine Rakuno Gakuen University, Hokkaido, Japan
6. Department of Pathology, Faculty of Veterinary Medicine, Kasetsart University, Bangkok, Thailand