1. Biotechnology Research Institute, College of Agriculture and Life Sciences; Chonnam National University; 300 Yongbong-dong, Buk-gu Gwangju 500-757 Republic of Korea
2. Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine; Konkuk University; Seoul 143-701 Republic of Korea
3. Department of Pharmacology, Faculty of Veterinary Medicine; Cairo University; 12211 Giza Egypt
4. Food Standard Division; Ministry of Food and Drug Safety; Cheongju Republic of Korea