About the Authors

Paolo Bajardi

Affiliations Computational Epidemiology Laboratory, Institute for Scientific Interchange (ISI), Torino, Italy, Centre de Physique Théorique (Centre National de la Recherche Scientifique UMR 6207), Marseille, France

Alain Barrat

Affiliations Centre de Physique Théorique (Centre National de la Recherche Scientifique UMR 6207), Marseille, France, Complex Networks and Systems Lagrange Laboratory, Institute for Scientific Interchange (ISI), Torino, Italy

Fabrizio Natale

Affiliation European Commission, Joint Research Center, Institute for the Protection and Security of the Citizen, Ispra, Italy

Lara Savini

Affiliation Istituto G. Caporale, Teramo, Italy

Vittoria Colizza

vittoria.colizza@inserm.fr

Affiliations INSERM, U707, Paris, France, UPMC Université Paris 06, Faculté de Médecine Pierre et Marie Curie, UMR S 707, Paris, France, 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: PB AB FN LS VC. Performed the experiments: PB AB FN LS VC. Analyzed the data: PB AB FN LS VC. Wrote the paper: PB AB FN LS VC.