About the Authors

Wei Wang

Affiliation Laboratory of Immunoregulation, Division of Viral Products, Center for Biologics Evaluation and Research, US Food and Drug Administration, Bethesda, Maryland, United States of America

Christine M. Anderson

Affiliation Division of Hematology, Center for Biologics Evaluation and Research, US Food and Drug Administration, Bethesda, Maryland, United States of America

Christopher J. De Feo

Affiliation Laboratory of Immunoregulation, Division of Viral Products, Center for Biologics Evaluation and Research, US Food and Drug Administration, Bethesda, Maryland, United States of America

Min Zhuang

Affiliation Laboratory of Immunoregulation, Division of Viral Products, Center for Biologics Evaluation and Research, US Food and Drug Administration, Bethesda, Maryland, United States of America

Hong Yang

Affiliation Office of Biostatistics and Epidemiology, Center for Biologics Evaluation and Research, US Food and Drug Administration, Bethesda, Maryland, United States of America

Russell Vassell

Affiliation Laboratory of Immunoregulation, Division of Viral Products, Center for Biologics Evaluation and Research, US Food and Drug Administration, Bethesda, Maryland, United States of America

Hang Xie

Affiliation Laboratory of Pediatric and Respiratory Diseases, Division of Viral Products, Center for Biologics Evaluation and Research, US Food and Drug Administration, Bethesda, Maryland, United States of America

Zhiping Ye

Affiliation Laboratory of Pediatric and Respiratory Diseases, Division of Viral Products, Center for Biologics Evaluation and Research, US Food and Drug Administration, Bethesda, Maryland, United States of America

Dorothy Scott

Affiliation Division of Hematology, Center for Biologics Evaluation and Research, US Food and Drug Administration, Bethesda, Maryland, United States of America

Carol D. Weiss

carol.weiss@fda.hhs.gov

Affiliation Laboratory of Immunoregulation, Division of Viral Products, Center for Biologics Evaluation and Research, US 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: WW CDW. Performed the experiments: WW MZ. Analyzed the data: WW CJD HY CDW. Contributed reagents/materials/analysis tools: WW CMA DS RV HX ZY CDW. Wrote the paper: WW CJD CDW.