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Research Article

Does Cosleeping Contribute to Lower Testosterone Levels in Fathers? Evidence from the Philippines

  • Lee T. Gettler mail,

    lgettler@nd.edu

    Affiliations: Department of Anthropology, University of Notre Dame, Notre Dame, Indiana, United States of America, Department of Anthropology, Northwestern University, Evanston, Illinois, United States of America, Cells to Society (C2S): The Center on Social Disparities and Health, Institute for Policy Research, Northwestern University, Evanston, Illinois, United States of America

    X
  • James J. McKenna,

    Affiliation: Department of Anthropology, University of Notre Dame, Notre Dame, Indiana, United States of America

    X
  • Thomas W. McDade,

    Affiliations: Department of Anthropology, Northwestern University, Evanston, Illinois, United States of America, Cells to Society (C2S): The Center on Social Disparities and Health, Institute for Policy Research, Northwestern University, Evanston, Illinois, United States of America

    X
  • Sonny S. Agustin,

    Affiliation: USC-Office of Population Studies Foundation, University of San Carlos, Cebu City, Philippines

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  • Christopher W. Kuzawa

    Affiliations: Department of Anthropology, Northwestern University, Evanston, Illinois, United States of America, Cells to Society (C2S): The Center on Social Disparities and Health, Institute for Policy Research, Northwestern University, Evanston, Illinois, United States of America

    X
  • Published: September 05, 2012
  • DOI: 10.1371/journal.pone.0041559

About the Authors

Lee T. Gettler, James J. McKenna
Department of Anthropology, University of Notre Dame, Notre Dame, Indiana, United States of America
Lee T. Gettler, Thomas W. McDade, Christopher W. Kuzawa
Department of Anthropology, Northwestern University, Evanston, Illinois, United States of America
Lee T. Gettler, Thomas W. McDade, Christopher W. Kuzawa
Cells to Society (C2S): The Center on Social Disparities and Health, Institute for Policy Research, Northwestern University, Evanston, Illinois, United States of America
Sonny S. Agustin
USC-Office of Population Studies Foundation, University of San Carlos, Cebu City, Philippines

Corresponding Author

Email: lgettler@nd.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LTG SSA TWM CWK. Performed the experiments: LTG SSA TWM CWK. Analyzed the data: LTG JJM CWK. Contributed reagents/materials/analysis tools: TWM CWK. Wrote the paper: LTG JJM SSA TWM CWK.