1. Haemaru Referral Animal Hospital and Small Animal Clinical Research Institute, Sungnam 13590, Korea.
2. Department of Internal Medicine, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea.
3. Bionote Inc., Hwaseong 18449, Korea.
4. Laboratory of Clinical Pathology, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea.