1. Idaho Department of Fish and Game, 1540 Warner Avenue, Lewiston, Idaho 83501, USA
2. Idaho Department of Fish and Game, Wildlife Health Lab, 16569 S. 10th Ave., Caldwell, Idaho 83605, USA
3. Washington Department of Fish and Wildlife, 8702 N. Division Street, Spokane, Washington 99218, USA
4. Oregon Department of Fish and Wildlife, 65495 Alder Slope Road, Enterprise, Oregon 97828, USA
5. Current address: Turner Enterprises, P.O. Box 190, Gallatin Gateway, Montana 59730, USA
6. Colorado Division of Wildlife, Wildlife Research Center, 317 West Prospect Road, Fort Collins, Colorado 80526-2097, USA