1. Department of Earth and Planetary Sciences Johns Hopkins University Baltimore Maryland USA
2. Nuffield Department of Population Health University of Oxford Oxford UK
3. Oxford Martin School University of Oxford Oxford UK
4. Department of Zoology University of Oxford Oxford UK
5. Interdisciplinary Centre for Conservation Science University of Oxford Oxford UK
6. Ecology, Evolution and Behavior Department University of Minnesota St. Paul Minnesota USA
7. Bren School of Environmental Science and Management University of California, Santa Barbara Santa Barbara California USA