1. Veterinary Diagnostic Center, College of Veterinary Medicine and Biosafety Research Institute (BK21 Plus Program), Chonbuk National University, Iksan 54596, Korea;
2. Chonbduk Wildlife Rescue and Conservation Center, College of Veterinary Medicine and Biosafety Research Institute (BK21 Plus Program), Chonbuk National University, Iksan 54596, Korea;
3. College of Veterinary Medicine, Chungnam National University, Daejeon 34134, Korea;
4. National Institute of Animal Science, Rural Development Administration, Cheonan, Chungnam 330-81, Korea;