1. Small Animal Medicine & Surgery, College of Veterinary Medicine; University of Georgia; Athens GA USA
2. Department of Clinical Studies, Oncology; Matthew J. Ryan Veterinary Hospital of the University of Pennsylvania; Philadelphia PA USA
3. Veterinary Specialty Hospital of San Diego; San Diego CA USA
4. Georgia Veterinary Specialists; Atlanta GA USA
5. Pieper Memorial Veterinary Center; Middletown CT USA
6. Louisiana State University; Baton Rouge LA USA
7. Department of Veterinary Clinical Sciences, School of Veterinary Medicine; Tufts University; Medford MA USA
8. Canada West Veterinary Specialists; Vancouver British Columbia Canada