1. Environmental and Life Sciences Program, Trent University, 1600 West Bank Dr., Peterborough, Ontario K9L 0G2, Canada
2. Ontario Parks, Ontario Ministry of Natural Resources, 300 Water St., 3rd Floor S, Peterborough, Ontario K9J 8M5, Canada
3. Wildlife Preservation Canada, 5420 Highway 6 N, Guelph, Ontario N1H 6J2, Canada
4. Department of Pathobiology, University of Guelph, 50 Stone Rd. E, Guelph, Ontario N1G 2W1, Canada
5. Lake Erie Management Unit, Ontario Ministry of Natural Resources, 320 Milo Rd., Wheatley, Ontario N0P 2P0, Canada