1. Canadian Cooperative Wildlife Health Centre, Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, Saskatchewan S7N 5B4, Canada
2. Department of Small Animal Clinical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, Saskatchewan S7N 5B4, Canada
3. Bighorn Helicopters Inc., 1817 Theatre Road, Cranbrook, British Columbia V1C 4H7, Canada
4. Environmental Science Program, 239 Machray Hall, Faculty of Science, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada