1. Maum Animal Medical Center, Anyang 13913, Korea
2. Laboratory of Veterinary Pathology, College of Veterinary Medicine, Chonnam National University, Gwangju 61186, Korea
3. Laboratory of Veterinary Zoonotic Diseases, College of Veterinary Medicine, Chonnam National University, Gwangju 61186, Korea
4. College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju 61186, Korea