About the Authors
- Lucas N. Joppa
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* E-mail: lujoppa@microsoft.com
Affiliation Computational Ecology and Environmental Sciences, Microsoft Research, Cambridge, United Kingdom
- Rich Williams
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Affiliation Quid.com, San Francisco, California, United States of America
Competing Interests
All authors were employed by Microsoft Research when this study was done. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: LNJ RW. Performed the experiments: LNJ RW. Analyzed the data: LNJ RW. Contributed reagents/materials/analysis tools: LNJ RW. Wrote the paper: LNJ RW.