1. Department of Infectious Diseases, College of Veterinary Medicine University of Georgia Athens Georgia USA
2. Department of Small Animal Medicine and Surgery, College of Veterinary Medicine University of Georgia Athens Georgia USA
3. Department of Veterinary Biosciences and Diagnostic Imaging, College of Veterinary Medicine University of Georgia Athens Georgia USA
4. Department of Pathology, College of Veterinary Medicine University of Georgia Athens Georgia USA
5. Keys Consulting Athens Georgia USA
6. Bayer HealthCare Animal Health Shawnee Kansas USA