1. Central Region Veterinary Laboratory, Department of Veterinary Service, Selangor, Malaysia (Hishamunuri)
2. Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan (Hishamunuri, Nakagun, Maezawa, Sakaguchi, Akiyama, Watanabe, Horiuchi, Kobayashi, Inokuma)
3. United Graduate School of Veterinary Sciences, Gifu University, Gifu, Japan (Nakagun, Maezawa, Horiuchi, Kobayashi, Inokuma)