1. Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences; Colorado State University; Fort Collins CO 80523-1678
2. Department of Small Animal Clinical Sciences; Virginia-Maryland College of Veterinary Medicine; Blacksburg VA 24061
3. Department of Surgical and Radiological Sciences, University of California Davis; School of Veterinary Medicine; Davis CA 95616
4. Department of Large Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences; Texas A&M University; College Station TX 77843
5. Comparative Oncology Program, Center for Cancer Research, National Cancer Institute; National Institutes of Health; Bethesda MD 20892