About the Authors
Department of Biology and Department of Mathematics & Statistics, University of New Mexico, Albuquerque, New Mexico, United States of America
Odum School of Ecology and Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, Georgia, United States of America
Fogarty International Center, National Institutes of Health, Bethesda, Maryland, United States of America
The authors have declared that no competing interests exist.
Analyzed the data: HJW PR. Wrote the paper: HJW PR. Conceived and designed the study: HJW PR. Formulated and analyzed the model: HJW.