About the Authors

Matteo Mainetti

Affiliation Krasnow Institute for Advanced Study, George Mason University, Fairfax, Virginia, United States of America

Giorgio A. Ascoli

ascoli@gmu.edu

Affiliation Krasnow Institute for Advanced Study, George Mason University, Fairfax, Virginia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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