About the Authors

Kathleen T. Durant

Kathleen.durant@post.harvard.edu

Affiliation Silverlink Communications, Boston, Massachusetts, United States of America

Alexa T. McCray

Affiliations Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States of America, Harvard Medical School, Boston, Massachusetts, United States of America

Charles Safran

Affiliations Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States of America, Harvard Medical School, Boston, Massachusetts, United States of America

Competing Interests

Kathleen Durant is currently employed by Silverlink Communications; this employment does not pose a conflict of interest, and it does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: KTD ATM CS. Performed the experiments: KTD. Analyzed the data: KTD. Contributed reagents/materials/analysis tools: KTD. Wrote the paper: KTD. Reviewed and commented on previous revisions of the document: ATM, CS.