1. Department of Microbiology, Research Institute of Life Science, College of Medicine, Gyeongsang National University, Jinju, Korea.
2. Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul, Korea.
3. National Institute of Animal Science, Rural Development Administration, Wanju, Korea.
4. Institute of Green Bio Science and Technology, Seoul National University, Pyeongchang, Korea.