Egocentric Social Network Structure, Health, and Pro-Social Behaviors in a National Panel Study of Americans

• A. James O’Malley ,

  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

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• Samuel Arbesman ,

  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

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• Darby Miller Steiger,

  Affiliation Gallup Government, Cleveland, Ohio, United States of America

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• James H. Fowler,

  Affiliation Departments of Medical Genetics and Political Science, University of California San Diego, La Jolla, California, United States of America

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• Nicholas A. Christakis

  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

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