About the Authors

Dobromir T. Dimitrov

Affiliation Center for Statistics and Quantitative Infectious Diseases; Vaccine and Infectious Disease Division; Fred Hutchinson Cancer Research Center; Seattle, Washington, United States of America

Christopher Troeger

Affiliation Center for Statistics and Quantitative Infectious Diseases; Vaccine and Infectious Disease Division; Fred Hutchinson Cancer Research Center; Seattle, Washington, United States of America

M. Elizabeth Halloran

Affiliations Center for Statistics and Quantitative Infectious Diseases; Vaccine and Infectious Disease Division; Fred Hutchinson Cancer Research Center; Seattle, Washington, United States of America, Department of Biostatistics; University of Washington; Seattle, Washington, United States of America

Ira M. Longini

Affiliation Department of Biostatistics; University of Florida; Gainesville, Florida, United States of America

Dennis L. Chao

dchao@fhcrc.org

Affiliation Center for Statistics and Quantitative Infectious Diseases; Vaccine and Infectious Disease Division; Fred Hutchinson Cancer Research Center; Seattle, Washington, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DTD CT MEH IML DLC. Performed the experiments: DTD. Analyzed the data: DTD. Contributed reagents/materials/analysis tools: DTD. Wrote the paper: DTD CT MEH IML DLC.