1. Department of Aquatic Animal Health; Faculty of Veterinary Medicine; University of Tehran; Tehran Iran
2. Department of Pathology; Faculty of Veterinary Medicine; University of Tehran; Tehran Iran
3. Department of Surgery and Radiology; Faculty of Veterinary Medicine; University of Tehran; Tehran Iran
4. Department of Clinical Sciences; Faculty of Veterinary Medicine; Shahid Chamran University of Ahvaz; Ahvaz Iran