About the Authors

Michael J. Stringer

Affiliations Department of Physics and Astronomy, Northwestern University, Evanston, Illinois, United States of America, Northwestern Institute on Complex Systems (NICO), Northwestern University, Evanston, Illinois, United States of America

Marta Sales-Pardo

Affiliations Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois, United States of America, Northwestern Institute on Complex Systems (NICO), Northwestern University, Evanston, Illinois, United States of America

Luís A. Nunes Amaral

To whom correspondence should be addressed. E-mail: amaral@northwestern.edu

Affiliations Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois, United States of America, Northwestern Institute on Complex Systems (NICO), Northwestern University, Evanston, Illinois, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LA MS-P MS. Performed the experiments: MS-P MS. Analyzed the data: LA MS-P MS. Contributed reagents/materials/analysis tools: LA MS-P MS. Wrote the paper: LA MS-P MS.