1. Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
2. Wheat Ridge Animal Hospital, Wheat Ridge, CO, USA
3. Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA, USA
4. Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA
5. Athens Veterinary Diagnostic Laboratory, College of Veterinary Medicine, University of Georgia, Athens, GA, USA