About the Authors

Bruno Gonçalves

Affiliations School of Informatics and Computing, Center for Complex Networks and Systems Research, Indiana University, Bloomington, Indiana, United States of America, Pervasive Technology Institute, Indiana University, Bloomington, Indiana, United States of America

Nicola Perra

nicolaperra@gmail.com

Affiliations School of Informatics and Computing, Center for Complex Networks and Systems Research, Indiana University, Bloomington, Indiana, United States of America, Complex Systems Computational Lab, Linkalab, Cagliari, Italy

Alessandro Vespignani

Affiliations School of Informatics and Computing, Center for Complex Networks and Systems Research, Indiana University, Bloomington, Indiana, United States of America, Pervasive Technology Institute, Indiana University, Bloomington, Indiana, United States of America, Institute for Scientific Interchange, Turin, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BG NP AV. Performed the experiments: NP. Analyzed the data: BG. Wrote the paper: BG NP AV.