1. British Columbia Ministry of Forests, 205 Industrial Rd. G, Cranbrook, British Columbia V1C 7G5, Canada
2. British Columbia Ministry of Forests, 2080 Labieux Rd., Nanaimo, British Columbia V9T 6J9, Canada
3. Department of Veterinary Microbiology, Western College of Veterinary Medicine, 52 Campus Dr., Saskatoon, Saskatchewan S7N 5B4, Canada
4. Parks Canada, Banff National Park, Box 900, Banff, Alberta T1L 1K2, Canada
5. Animal Health Centre, 1767 Angus Campbell Rd., Abbotsford, British Columbia V3G 2M3, Canada
6. Fish and Wildlife Stewardship, Alberta Environment and Parks, 6909-116 St., Edmonton, Alberta T6H 4P2, Canada, and Department of Biological Sciences, University of Alberta, Edmonton, Alberta T6G 2E9, Canada