1. National Park Service, Biological Resources Division Wildlife Health Branch Fort Collins Colorado USA
2. Department of Veterinary Population Medicine College of Veterinary Medicine, University of Minnesota St. Paul Minnesota USA
3. National Park Service, Isle Royal National Park Houghton Michigan USA
4. Grand Portage Band of Lake Superior Chippewa Grand Portage Minnesota USA
5. College of Veterinary Medicine and Biomedical Sciences, Colorado State University Fort Collins Colorado USA
6. Department of Entomology College of Food, Agriculture and Natural Resource Sciences, University of Minnesota St. Paul Minnesota USA
7. Department of Population Medicine and Diagnostic Sciences Cornell University College of Veterinary Medicine Ithaca New York USA
8. Ministry of Northern Development, Mines, Natural Resources and Forestry Trent University Peterborough Ontario Canada
9. Department of Fisheries and Wildlife Michigan State University East Lansing Michigan USA