1. Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC
2. Department of Comparative, Diagnostic and Population Medicine, College of Veterinary Medicine, University of Florida, Gainesville, FL
3. Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California-Davis, Davis, CA
4. Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN
5. Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO
6. Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, NC