About the Authors

Graeme E. Price

Affiliation Division of Cellular and Gene Therapies, Center for Biologics Evaluation and Research, Food and Drug Administration, Rockville, Maryland, United States of America

Mark R. Soboleski

Affiliation Division of Cellular and Gene Therapies, Center for Biologics Evaluation and Research, Food and Drug Administration, Rockville, Maryland, United States of America

Chia-Yun Lo

Affiliation Division of Cellular and Gene Therapies, Center for Biologics Evaluation and Research, Food and Drug Administration, Rockville, Maryland, United States of America

Julia A. Misplon

Affiliation Division of Cellular and Gene Therapies, Center for Biologics Evaluation and Research, Food and Drug Administration, Rockville, Maryland, United States of America

Mary R. Quirion

Affiliation Division of Cellular and Gene Therapies, Center for Biologics Evaluation and Research, Food and Drug Administration, Rockville, Maryland, United States of America

Katherine V. Houser

Affiliation National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Melissa B. Pearce

Affiliation National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Claudia Pappas

Affiliation National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Terrence M. Tumpey

Affiliation National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Suzanne L. Epstein

suzanne.epstein@fda.hhs.gov

Affiliation Division of Cellular and Gene Therapies, Center for Biologics Evaluation and Research, Food and Drug Administration, Rockville, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GEP SLE. Performed the experiments: GEP MRS CYL JAM MRQ KVH MBP CP TMT. Analyzed the data: GEP MRS CYL JAM MRQ KVH MBP CP TMT SLE. Wrote the paper: GEP SLE.