About the Authors

Manuel Garcia-Herranz

manuel.garciaherranz@uam.es

Affiliation Department of Computer Science, Escuela Politécnica Superior, Universidad Autónoma de Madrid, Madrid, Spain

Esteban Moro

Affiliations Department of Mathematics & GISC, Universidad Carlos III de Madrid, Leganés, Spain, Instituto de Ingeniería del Conocimiento, Universidad Autónoma de Madrid, Madrid, Spain

Manuel Cebrian

Affiliations Computer Science & Engineering Department, University of California San Diego, San Diego, California, United States of America, Media Laboratory, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America, National Information and Communications Technology Australia, Melbourne, Victoria, Australia

Nicholas A. Christakis

Affiliations Department of Sociology, Yale University, New Haven, Connecticut, United States of America, Department of Ecology and Evolutionary Biology, Yale University, New Haven, Connecticut, United States of America, Department of Medicine, Yale School of Medicine, New Haven, Connecticut, United States of America

James H. Fowler

Affiliations Medical Genetics Division, School of Medicine, University of California San Diego, San Diego, California, United States of America, Political Science Department, University of California San Diego, San Diego, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MGH EM MC NAC JHF. Performed the experiments: MGH EM. Analyzed the data: MGH EM MC NAC JHF. Contributed reagents/materials/analysis tools: MGH EM. Wrote the paper: MGH EM MC NAC JHF.