1. Odum School of Ecology, University of Georgia, Athens, GA 30602, USA
2. Center for the Ecology of Infectious Diseases, University of Georgia, Athens, GA 30602, USA
3. Western EcoSystems Technology, Inc., 1610 East Reynolds Street, Laramie, WY 82070, USA
4. The Center for Infectious Disease Dynamics and Department of Biology, The Pennsylvania State University, University Park, PA 16802, USA
5. Department of Infectious Diseases, University of Georgia, Athens, GA 30602, USA