1. Washington Animal Disease Diagnostic Laboratory, 1940 SE Olympia Ave., Pullman, Washington 99164-7034, USA
2. Idaho Department of Fish and Game, 3316 16th St., Lewiston, Idaho 83501, USA
3. Department of Fish and Wildlife Sciences, University of Idaho, 875 Perimeter Dr., Moscow, Idaho 83844, USA
4. Department of Wildland Resources and Ecology Center, Utah State University, 5230 Old Main Hill, NR 206, Logan, Utah 84322, USA
5. Nebraska Game and Parks Commission, 2200 N 33rd St., PO Box 30370, Lincoln, Nebraska 68503, USA
6. Montana Conservation Science Institute Ltd., 5200 Miller Creek Rd., Missoula, Montana 59803, USA