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  • Margaret Gatz mail

    gatz@usc.edu

    Affiliation: University of Southern California, Los Angeles, California, United States of America

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  • Published: March 29, 2005
  • DOI: 10.1371/journal.pmed.0020086

About the Author

Margaret Gatz
University of Southern California, Los Angeles, California, United States of America

Corresponding Author

Email: gatz@usc.edu

Competing Interests

The author has declared that no competing interests exist.