1. National Wildlife Research Center, United States Department of Agriculture Animal and Plant Health Inspection Service, Wildlife Services Fort Collins Colorado USA
2. Resources for the Future Washington District of Columbia USA
3. Department of Agricultural and Resource Economics University of Maryland College Park Maryland USA
4. Manaaki Whenua – Landcare Research Lincoln New Zealand
5. School of Biological Sciences Monash University Clayton Victoria Australia
6. Department of Ecology and Evolutionary Biology, and La Kretz Center for California Conservation Science, Institute of the Environment and Sustainability University of California, Los Angeles Los Angeles California USA
7. U.S. Geological Survey, Colorado Cooperative Fish and Wildlife Research Unit Colorado State University Fort Collins Colorado USA
8. Department of Biology The Pennsylvania State University University Park Pennsylvania USA
9. U.S. Geological Survey Patuxent Wildlife Research Center Laurel Maryland USA
10. Department of Economics Colorado State University Fort Collins Colorado USA