1. Department of Veterinary Medical Imaging, College of Veterinary Medicine, Chonnam National University, Gwangju, South Korea
2. Doctor Dog Animal Medical Center, Goyang, South Korea
3. Department of Veterinary Internal Medicine, College of Veterinary Medicine, Chonnam National University, Gwangju, South Korea
4. Department of Veterinary Medical Imaging, College of Veterinary Medicine, Seoul National University, Seoul, South Korea