1. Animal Disease Investigation Centre, Denpasar 80226, Indonesia.
2. Veterinary Science Post Graduate Program, Faculty of Veterinary Medicine, Gajah Mada University, Yogyakarta 55281, Indonesia.
3. Veterinary Public Health Department, Faculty of Veterinary Medicine, Gajah Mada University, Yogyakarta 55281, Indonesia.
4. Faculty of Veterinary Science, University of Sydney, Camden 2570, Australia.
5. The Animal Biomedical and Molecular Biology Laboratory, Faculty of Veterinary Medicine, Udayana University, Denpasar 80226, Indonesia.