1. Southeastern Cooperative Wildlife Disease Study, College of Veterinary Medicine, University of Georgia, 589 D.W. Brooks Dr., Athens, Georgia 30602, USA
2. Department of Veterinary and Biomedical Sciences, Pennsylvania State University, Shortlidge Rd., University Park, Pennsylvania 16802, USA
3. College of Veterinary Medicine, University of Georgia College of Veterinary Medicine, 501 D.W. Brooks Dr., Athens, Georgia 30602, USA
4. US Department of Agriculture, Animal Plant Health Inspection Service, Wildlife Services, P.O. Box 60827, Harrisburg, Pennsylvania 17106, USA