About the Authors

Ina Hellmann

Affiliation Division of Viral Pathogenesis, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America

So-Yon Lim

Affiliation Division of Viral Pathogenesis, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America

Rebecca S. Gelman

Affiliation Department of Biostatistics, Dana Farber Cancer Institute and Harvard School of Public Health, Boston, Massachusetts, United States of America

Norman L. Letvin

nletvin@bidmc.harvard.edu

Affiliation Division of Viral Pathogenesis, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IH NLL. Performed the experiments: IH SYL. Analyzed the data: IH SYL RSG. Wrote the paper: IH NLL RSG.