1. College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea.
2. Department of Oral & Maxillofacial Surgery, School of Medicine and Institute of Health Sciences, Gyeongsang National University, Jinju, Republic of Korea.
3. Department of Neurosurgery, School of Medicine, Gyeongsang National University, Jinju, Republic of Korea.
4. Department of Pathology, School of Medicine, Gyeongsang National University, Jinju, Republic of Korea.