Richard W. Nelson, DVM, Dipl ACVIM, Professor, Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, CA
C. Guillermo Couto, DVM, Dipl ACVIM, Professor, Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Chief, Oncology/Hematology Service, Veterinary Teaching Hospital, The Ohio State University, Columbus, OH