1. United States Geological Survey, Fort Collins Science Center, 2150 Centre Ave., Bldg. C, Fort Collins, Colorado 80526, USA
2. United States Geological Survey, National Wildlife Health Center, 6006 Schroeder Road, Madison, Wisconsin 53711, USA
3. Molecular and Environmental Toxicology Center, University of Wisconsin–Madison, 1300 University Avenue, 1530 MSC, Madison, Wisconsin 53706, USA
4. Department of Biology, Bucknell University, 203 Biology Building, Lewisburg, Pennsylvania 17837, USA
5. Pennsylvania Game Commission, 2001 Elemerton Ave., Harrisburg, Pensylvania 17110, USA
6. Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin, 2015 Linden Dr., Madison, Wisconsin 53706, USA
7. Wisconsin Veterinary Diagnostic Laboratory, University of Wisconsin, 445 Easterday Ln., Madison, Wisconsin 53706, USA
8. United States National Park Service, Wildlife Health Program, Biological Resource Management Division, 1201 Oakridge Drive, Suite 200, Fort Collins, Colorado 80525, USA