About the Authors

Filippo Radicchi

f.radicchi@gmail.com

Affiliation Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois, United States of America

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FR. Performed the experiments: FR. Analyzed the data: FR. Contributed reagents/materials/analysis tools: FR. Wrote the manuscript: FR.