About the Authors

Germán Añez

Current address: Sanofi Pasteur, Swiftwater, Pennsylvania, United States of America

Affiliation U.S. Food and Drug Administration, Silver Spring, Maryland, United States of America

Daniel A. R. Heisey

Current address: Virginia Commonwealth University, Richmond, Virginia, United States of America

Affiliation U.S. Food and Drug Administration, Silver Spring, Maryland, United States of America

Caren Chancey

Affiliation U.S. Food and Drug Administration, Silver Spring, Maryland, United States of America

Rafaelle C. G. Fares

Affiliation U.S. Food and Drug Administration, Silver Spring, Maryland, United States of America

Luz M. Espina

Current address: Universidad del Zulia, Maracaibo, Venezuela

Affiliation U.S. Food and Drug Administration, Silver Spring, Maryland, United States of America

Kátia P. R. Souza

Current address: Fundação Oswaldo Cruz-FIOCRUZ, Rio de Janeiro, Rio de Janeiro, Brazil

Affiliation U.S. Food and Drug Administration, Silver Spring, Maryland, United States of America

Andréa Teixeira-Carvalho

Current address: Centro de Pesquisas René Rachou, Fundação Oswaldo Cruz-FIOCRUZ, Belo Horizonte, Minas Gerais, Brazil

Affiliation U.S. Food and Drug Administration, Silver Spring, Maryland, United States of America

David E. Krysztof

Affiliation American Red Cross, Gaithersburg, Maryland, United States of America

Gregory A. Foster

Affiliation American Red Cross, Gaithersburg, Maryland, United States of America

Susan L. Stramer

Affiliation American Red Cross, Gaithersburg, Maryland, United States of America

Maria Rios

maria.rios@fda.hhs.gov

Affiliation U.S. Food and Drug Administration, Silver Spring, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GA LME CC ATC MR. Performed the experiments: GA DARH LME KPRS ATC CC RCGF. Analyzed the data: GA DARH LME CC KPRS ATC RCGF MR. Contributed reagents/materials/analysis tools: DEK GAF SLS. Wrote the paper: GA DARH CC RCGF LME KPRS ATC DEK GAF SLS MR.