About the Authors

Martin Rosvall

rosvall@u.washington.edu

Affiliation Department of Biology, University of Washington, Seattle, Washington, United States of America

Carl T. Bergstrom

Affiliations Department of Biology, University of Washington, Seattle, Washington, United States of America, Santa Fe Institute, Santa Fe, New Mexico, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MR CTB. Performed the experiments: MR CTB. Analyzed the data: MR CTB. Contributed reagents/materials/analysis tools: MR CTB. Wrote the paper: MR CTB.