1. Department of Animal, Dairy and Veterinary Sciences, Utah State University, Logan, United States
2. Utah Veterinary Diagnostic Laboratory, Utah State University, Logan, United States
3. Division of Surgical Oncology, Department of Surgery, David Geffen School of Medicine at University of California, Los Angeles (UCLA), Los Angeles, United States
4. Department of Microbiology, Immunology and Molecular Genetics, David Geffen School of Medicine at UCLA, Los Angeles, United States
5. UCLA Molecular Biology Institute, Los Angeles, United States
6. UCLA Jonsson Comprehensive Cancer Center, Los Angeles, United States
7. UCLA AIDS Institute, Los Angeles, United States