1. Department of Pathology, College of Veterinary Medicine, Kyungpook National University, Daegu, Korea
2. Stem Cell Therapeutic Research Institute, Kyungpook National University, Daegu, Korea
3. School of Medicine, Kyungpook National University, Daegu, Korea
4. Department of Food Science & Biotechnology, Kyungpook National University, Daegu, Korea
5. Department of Veterinary Pathology, College of Veterinary Medicine, Gyeongsang National University, Jinju, Korea