1. Department of Veterinary Pharmacology and Toxicology; College of Veterinary Medicine; Konkuk University; Nuengdong-ro, Gwangjin-gu Seoul 143-701 Korea
2. Public Health Research Division; Gyeonggi Province Institute of Health and Environment; 95, Pajang cheon-ro, Jangan-gu Suwonsi Gyeonggi Province 440-290 Korea
3. Biotechnology Research Institute; College of Agriculture and Life Sciences; Chonnam National University; 300 Yongbong-dong, Buk-gu Gwangju 500-757 Korea
4. Department of Pharmacology; Faculty of Veterinary Medicine; Cairo University; Giza 12211 Egypt