About the Authors

Roger D. Plaut

Roger.Plaut@fda.hhs.gov

Affiliation Division of Bacterial, Parasitic, and Allergenic Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America

Christopher P. Mocca

Affiliation Division of Bacterial, Parasitic, and Allergenic Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America

Ranjani Prabhakara

Affiliation Division of Bacterial, Parasitic, and Allergenic Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America

Tod J. Merkel

Affiliation Division of Bacterial, Parasitic, and Allergenic Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America

Scott Stibitz

Affiliation Division of Bacterial, Parasitic, and Allergenic Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RDP TJM SS. Performed the experiments: RDP CPM RP. Analyzed the data: RDP CPM RP TJM SS. Wrote the paper: RDP SS.