1. Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN 47907 USA
2. Department of Wildlife, Fisheries and Aquaculture, Mississippi State University, Mississippi State, MS 39762 USA
3. Heeke Animal Disease Diagnostic Laboratory, Dubois, Indiana, and Department of Comparative Pathobiology, College of Veterinary Medicine, Purdue University, West Lafayette, IN 47907 USA
4. US Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, National Wildlife Research Center, Florida Field Station, Gainesville, FL 32641 USA
5. US Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, West Lafayette, IN 47906 USA