1. Department of Clinical Sciences, Carlson College of Veterinary Medicine, Oregon State University, Corvallis, OR, USA
2. Department of Small Animal Clinical Sciences, Michigan State University, East Lansing, MI, USA
3. Oregon Veterinary Diagnostic Laboratory, Carlson College of Veterinary Medicine, Oregon State University, Corvallis, OR, USA
4. Digital Pathology, Charles River Laboratories, Ashland, OH, USA