1. Biosafety Research Institute and Laboratory of Pathology, College of Veterinary Medicine, Chonbuk National University, Iksan, Republic of Korea;
2. College of Pharmacy, Dongguk University, Goyang, Gyeonggi-do, Republic of Korea;
3. Laboratory of Biochemistry and Immunology, College of Veterinary Medicine, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea