1. Farm Animal Clinical Training and Research Center, Institutes of Green-Bio Science and Technology, Seoul National University, Pyeongchang 25354, Korea.
2. Department of Farm Animal Medicine, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea.
3. Hoengseong National Livestock Cooperative Federation Veterinary Clinic, Hoengseong National Livestock Cooperative Federation, Hoengseong 25235, Korea.
4. Ryu Inkwang Veterinary Clinic, Yeongwol 26214, Korea.
5. Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea.