1. National Wildlife Research Center, Wildlife Services, Animal and Plant Health Inspection Service United States Department of Agriculture Fort Collins Colorado USA
2. Department of Microbiology, Immunology, and Pathology Colorado State University Fort Collins Colorado USA
3. Cooperative Wildlife Research Laboratory Southern Illinois University Carbondale Illinois USA
4. Wildlife Services, Animal and Plant Health Inspection Service United States Department of Agriculture Concord New Hampshire USA
5. National Rabies Management Program, Wildlife Services, Animal and Plant Health Inspection Service United States Department of Agriculture Concord New Hampshire USA
6. Fish, Wildlife, and Conservation Biology Colorado State University Fort Collins Colorado USA