1. Graduate School, Royal University of Agriculture, Phnom Penh 12401, Cambodia
2. Faculty of Veterinary Medicine, Royal University of Agriculture, Phnom Penh 12401, Cambodia
3. Department of Veterinary Medical Imaging, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea
4. Department of Veterinary Medical Imaging, College of Veterinary Medicine, Chonnam National University, Gwangju 61186, Korea