1. a Department of Microbiology, Faculty of Veterinary Medicine , University of Tehran , Tehran , Iran
2. b Department of Poultry Disease, Faculty of Veterinary Medicine , University of Tehran , Tehran , Iran
3. c Faculty of Veterinary Medicine , University of Mazandaran , Amol , Iran
4. d Department of FMD , Razi Vaccine and Serum Research Institute , Karaj , Iran
5. e Clinical practitioner , Toronto , Ontario , Canada