1. Forest Wildlife Populations and Research Group, Minnesota Department of Natural Resources, 1201 E Highway 2, Grand Rapids, Minnesota 55744, USA
2. Wildlife Health Program, Minnesota Department of Natural Resources, 5463 W Broadway Avenue, Forest Lake, Minnesota 55025, USA
3. Forest Habitat Program, Minnesota Department of Natural Resources, 1201 E Highway 2, Grand Rapids, Minnesota 55744, USA
4. Southeastern Cooperative Wildlife Disease Study, University of Georgia, College of Veterinary Medicine, 589 D. W. Brooks Drive, Athens, Georgia 30602, USA