1. Department of Medical Oncology; MedVet Medical & Cancer Centers for Pets; Cincinnati OH 45227 USA
2. Idexx Laboratories; West Sacramento CA 95605 USA
3. Department of Pathology, Microbiology and Immunology, School of Veterinary Medicine; University of California; Davis CA 95616 USA
4. Department of Surgery, MedVet Medical & Cancer Centers for Pets; Cincinnati OH 45227 USA