About the Authors
- Vittoria Colizza
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Affiliations School of Informatics and Center for Biocomplexity, Indiana University, Bloomington, Indiana, United States of America , Complex Networks Lagrange Laboratory, Institute for Scientific Interchange Foundation, Turin, Italy
- Alain Barrat
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Affiliations Complex Networks Lagrange Laboratory, Institute for Scientific Interchange Foundation, Turin, Italy , Unité Mixte de Recherche 8627, Centre National de la Recherche Scientifique, Université Paris-Sud, Orsay, France
- Marc Barthelemy
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Affiliations School of Informatics and Center for Biocomplexity, Indiana University, Bloomington, Indiana, United States of America , Commissariat à l'Energie Atomique, Direction Ile-de-France, Centre d'Etudes de Bruyères Le Châtel, Bruyères Le Châtel, France
- Alain-Jacques Valleron
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Affiliations Unité de Recherche en Epidémiologie, Systèmes d'Information et Modélisation, Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Recherche 707, Université Pierre et Marie Curie, Paris, France , Hôpital Saint-Antoine, Assistance Publique-Hôpitaux de Paris, Paris, France
- Alessandro Vespignani
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*To whom correspondence should be addressed. E-mail: alexv@indiana.edu
Affiliations School of Informatics and Center for Biocomplexity, Indiana University, Bloomington, Indiana, United States of America , Complex Networks Lagrange Laboratory, Institute for Scientific Interchange Foundation, Turin, Italy
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
VC, AB, MB, AJV, and AV designed the study and analyzed the data. VC, AB, MB, AJV, and AV contributed to writing the paper. VC, AB, MB, and AV collected data or did experiments for the study.