1. Department of Biology Colorado State University Fort Collins CO 80523USA
2. Fogarty International Center National Institutes of Health Bethesda MD 20892 USA
3. Wildlife Biology Program, Department of Ecosystem and Conservation Sciences University of Montana Missoula MT 59812 USA
4. U.S. Geological Survey (retired) Fort Collins Science Center Fort Collins CO 80526 USA
5. Department of Biology University of Florida Gainesville FL 32611 USA
6. mEpiLab, Infectious Disease Research Centre (IDReC), Hopkirk Research Institute, Institute of Veterinary, Animal and Biomedical Sciences Massey University Palmerston North Manawatu 4442 New Zealand
7. Department of Veterinary Medicine Disease Dynamics Unit University of Cambridge Cambridge CB3 0ES UK
8. Institute of Zoology Zoological Society of London Regents Park London NW1 4RY UK
9. National Wildlife Research Center U.S. Department of Agriculture Fort Collins CO 80521 USA
10. Population Biology, Ecology, and Evolution Program Emory University Atlanta GA 30322 USA