1. Department of Fish and Wildlife ConservationVirginia Tech Blacksburg VA, 24061 U.S.A
2. Mitchell Center for Alzheimer's Disease and Related Brain Disorders, Department of NeurologyUniversity of Texas Medical School at Houston Houston TX, 77030 U.S.A
3. US Geological Survey National Wildlife Health Center Madison WI, 59711 U.S.A
4. Virginia Department of Game & Inland Fisheries Blacksburg VA, 24060 U.S.A
5. Wildlife Center of Virginia Waynesboro VA, 22980 U.S.A
6. Department of Population Health and PathobiologyCollege of Veterinary Medicine, North Carolina State University Raleigh NC, 27606 U.S.A
7. Biodiversity Institute and Department of Ecology and Evolutionary BiologyThe University of Kansas Lawrence KS, 66045 U.S.A