About the Authors

Michael A. Schmid

michael.a.schmid@berkeley.edu (MAS); eharris@berkeley.edu (EH)

Affiliation Division of Infectious Diseases & Vaccinology, School of Public Health, University of California Berkeley, Berkeley, California, United States of America

Eva Harris

michael.a.schmid@berkeley.edu (MAS); eharris@berkeley.edu (EH)

Affiliation Division of Infectious Diseases & Vaccinology, School of Public Health, University of California Berkeley, Berkeley, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MAS. Performed the experiments: MAS. Analyzed the data: MAS. Contributed reagents/materials/analysis tools: EH. Wrote the paper: MAS EH. Directed the study and discussed results: EH.