1. Department of Veterinary Pathology, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh, Egypt
2. Department of Pathology, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, Egypt
3. Department of Pathology and Parasitology, Faculty of Veterinary Medicine, Damanhour University, El-Beheira, Egypt
4. Department of Animal Medicine, Faculty of Veterinary Medicine, Damanhour University, El-Beheira, Egypt
5. Department of Animal Medicine, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt
6. Department of Veterinary Pathology and Microbiology, Faculty of Applied Biological Science, Gifu University, Gifu, Japan