About the Authors

Andrea Lancichinetti

Affiliations Complex Networks and Systems Lagrange Laboratory, Institute for Scientific Interchange (ISI), Torino, Italy, Physics Department, Politecnico di Torino, Torino, Italy

Filippo Radicchi

Affiliation Howard Hughes Medical Institute (HHMI), Northwestern University, Evanston, Illinois, United States of America

José J. Ramasco

Affiliations Complex Networks and Systems Lagrange Laboratory, Institute for Scientific Interchange (ISI), Torino, Italy, Instituto de Física Interdisciplinar y Sistemas Complejos IFISC (CSIC-UIB), Palma de Mallorca, Spain

Santo Fortunato

fortunato@isi.it

Affiliation Complex Networks and Systems Lagrange Laboratory, Institute for Scientific Interchange (ISI), Torino, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AL FR JJR SF. Performed the experiments: AL. Analyzed the data: AL. Contributed reagents/materials/analysis tools: AL FR JJR SF. Wrote the paper: AL FR JJR SF.