1. Utah Division of Wildlife Resources, 1594 W North Temple, Suite 2110, Salt Lake City, Utah 84116, USA
2. Brigham Young University, Department of Life Sciences, 800 N 580 E Street, Provo, Utah 84602, USA
3. University of Calgary, Department of Veterinary Clinical and Diagnostic Sciences, Faculty of Veterinary Medicine, 3330 Hospital Drive, Calgary AB T2N 4Z6, Canada