1. Carlson College of Veterinary Medicine, Oregon State University, Magruder Hall, 700 SW 30th St., Corvallis, Oregon 97331, USA
2. Oregon Veterinary Diagnostic Laboratory, Carlson College of Veterinary Medicine, Magruder Hall, 700 SW 30th St., Oregon State University, Corvallis, Oregon 97331, USA
3. Nevada Department of Wildlife, 1100 Valley Rd., Reno, Nevada 89511, USA