1. Laboratory of Veterinary Clinical Pathology, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea.
2. Everland Animal Hospital, Yongin 17023, Korea.
3. BK21 PLUS Program for Creative Veterinary Science Research, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea.
4. Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea.