About the Authors
- Ian H. Spicknall, James S. Koopman, Sheng Li, Joseph N. S. Eisenberg
- Department of Epidemiology, University of Michigan, Ann Arbor, Michigan, United States of America
- Mark Nicas
- Department of Environmental Health Sciences, University of California, Berkeley, Berkeley, California, United States of America
- Josep M. Pujol
- Telefonica, Catalonia, Spain
The authors have declared that no competing interests exist.
Conceived and designed the experiments: IHS JSK MN JMP SL JNSE. Performed the experiments: IHS JMP JNSE. Analyzed the data: IHS JSK JNSE. Wrote the paper: IHS JSK JMP SL JNSE.