1. Department of Veterinary Medicine and Surgery; University of Missouri College of Veterinary Medicine; Columbia Missouri
2. Department of Small Animal Clinical Sciences; Michigan State University; East Lansing Michigan
3. Department of Molecular Biomedical Sciences; North Carolina State University; Raleigh North Carolina
4. Department of Sciences Cliniques, Faculté de Médecine Vétérinaire; Université de Montréal; St-Hyacinthe Canada
5. Department of Biomedical Sciences; Cummings School of Veterinary Medicine at Tufts University; North Grafton Massachusetts
6. Department of Pathobiology and Diagnostic Investigation, College of Veterinary Medicine; Michigan State University; East Lansing Michigan