About the Authors

Pablo Tebas

Pablo.tebas@uphs.upenn.edu

Affiliation Division of Infectious Diseases, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Florin Tuluc

Affiliation The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States of America

Jeffrey S. Barrett

Affiliation The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States of America

Wayne Wagner

Affiliation Division of Infectious Diseases, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Deborah Kim

Affiliation Division of Infectious Diseases, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Huaquing Zhao

Affiliation Westat, Rockville, Maryland, United States of America

René Gonin

Affiliation Westat, Rockville, Maryland, United States of America

James Korelitz

Affiliation Westat, Rockville, Maryland, United States of America

Steven D. Douglas

Affiliation The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States of America

Competing Interests

None of the other authors in this report declares a conflict of interest; however, HZ, RG, and JK are employees of Westat, Rockville, United States of America, a private company that provides research services to agencies of the United States Government, as well as businesses, foundations, and state and local governments. 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: PT FT JB WW DK SD. Performed the experiments: PT FT JB WW DK SD. Analyzed the data: PT FT JB HZ RG JK SD. Contributed reagents/materials/analysis tools: JB. Wrote the paper: PT FT JB WW DK HZ RG JK SD.