1. U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, National Wildlife Research Center (Nichols, VerCauteren), Fort Collins, CO
2. National Wildlife Disease Program (Gidlewski), Fort Collins, CO
3. Colorado State University Diagnostic Laboratory (Spraker)
4. Prion Research Program (Spraker, Telling, Zabel)
5. Department of Microbiology, Immunology and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO; and the National Park Service, Biological Resources Management Division, Fort Collins, CO (Powers)