1. Microbiology Department, Faculty of Medicine, Udayana University, Jl. PB Sudirman, Denpasar, Bali, Indonesia
2. Internal Medicine Department, Faculty of Medicine, Udayana University, Jl. PB Sudirman, Denpasar, Bali, Indonesia
3. Microbiology Department, Faculty of Medicine, Indonesia University, Jakarta, Indonesia
4. Animal Biomedical and Molecular Biology Laboratory, Faculty of Veterinary Medicine, Udayana University, Jl. Sesetan-Markisa 6, Denpasar 80226, Bali, Indonesia