1. College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungbuk National University, Cheongju, Korea.
2. Department of Biotechnology and Biomedicine, Chungbuk Province College, Okcheon, Koea.
3. Department of Food and Nutrition, Seowon University, Chungju, Korea.
4. Department of Food Service Industry, Seowon University, Chungju, Korea.