1. Pharmacology Division, Department of Comparative Biosciences, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
2. Department of Comparative Biosciences, University of Tehran, Tehran, Iran
3. Department of Microbiology and Immunology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
4. Department of Pathology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran