Affiliation: | 1. Department of Pathology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand;2. Department of Veterinary Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand;3. Department of Veterinary Medicine, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand;4. Labarotory of Fish Health Management, Tokyo University of Marine Science and Technology, Japan |