1. Department of Veterinary Clinical Sciences College of Veterinary Medicine, University of Minnesota St. Paul Minnesota USA
2. Division of Hematology, Oncology and Transplantation Medical School, University of Minnesota Minneapolis Minnesota USA
3. Animal Cancer Care and Research Program University of Minnesota St. Paul Minnesota USA
4. Masonic Cancer Center University of Minnesota Minneapolis Minnesota USA
5. Department of Laboratory Medicine and Pathology Medical School, University of Minnesota Minneapolis Minnesota USA
6. Center for Immunology University of Minnesota Minneapolis Minnesota USA