About the Authors

Matthew H. Bonds

mhb9@hms.harvard.edu

Affiliation Department of Global Health and Social Medicine, Harvard Medical School, Boston, Massachusetts, United States of America

Andrew P. Dobson

Affiliation Department of Ecology and Evolutionary Biology, Princeton University, Princeton, New Jersey, United States of America

Donald C. Keenan

Affiliation THEMA, Université de Cergy-Pontoise, Cergy-Pontoise, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

The author(s) have made the following declarations about their contributions: Analyzed the data: MHB. Wrote the paper: MHB APD DCK.