About the Authors

Nancy L. Etcoff

netcoff@partners.org

Affiliations Department of Psychiatry, Massachusetts General Hospital, Boston, Massachusetts, United States of America, Harvard Medical School, Cambridge, Massachusetts, United States of America

Shannon Stock

Affiliation Department of Biostatistics and Computational Biology, Dana-Farber Cancer Institute, Boston, Massachusetts, United States of America

Lauren E. Haley

Affiliations Department of Psychiatry, Massachusetts General Hospital, Boston, Massachusetts, United States of America, Harvard Medical School, Cambridge, Massachusetts, United States of America

Sarah A. Vickery

Affiliation Procter & Gamble Beauty & Grooming, Procter & Gamble Cosmetics, Hunt Valley, Maryland, United States of America

David M. House

Affiliation Department of Computer Sciences, Boston University, Boston, Massachusetts, United States of America

Competing Interests

The authors have read the journal's policy and have the following conflicts: this study was funded by P&G Beauty and Grooming, where SAV is employed as a Principal Scientist. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: NLE. Performed the experiments: LEH. Analyzed the data: SS LEH. Contributed reagents/materials/analysis tools: DMH SS SAV. Wrote the paper: NLE LEH.