About the Authors
- A. James O’Malley
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Contributed equally to this work with: A. James O’Malley, Samuel Arbesman
* E-mail: omalley@hcp.med.harvard.edu (AJO); arbesman@gmail.com (SA)
Affiliation Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts, United States of America
- Samuel Arbesman
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Contributed equally to this work with: A. James O’Malley, Samuel Arbesman
* E-mail: omalley@hcp.med.harvard.edu (AJO); arbesman@gmail.com (SA)
Affiliation Ewing Marion Kauffman Foundation, Kansas City, Missouri, United States of America
- Darby Miller Steiger
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Affiliation Gallup Government, Cleveland, Ohio, United States of America
- James H. Fowler
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Affiliation Departments of Medical Genetics and Political Science, University of California San Diego, La Jolla, California, United States of America
- Nicholas A. Christakis
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Affiliations Department of Health Care Policy, Harvard Medical School, Boston, Massachusetts, United States of America, Department of Sociology, Harvard University, Cambridge, Massachusetts, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: SA NAC JF. Performed the experiments: DMS. Analyzed the data: AJO. Contributed reagents/materials/analysis tools: AJO SA. Wrote the paper: AJO SA NAC.