About the Authors

Leigh A. Baxt

Affiliations Department of Medicine, Massachusetts General Hospital, Cambridge, Massachusetts, United States of America, Department of Microbiology and Immunobiology, Harvard Medical School, Boston, Massachusetts, United States of America

Marcia B. Goldberg

marcia.goldberg@mgh.harvard.edu

Affiliations Department of Medicine, Massachusetts General Hospital, Cambridge, Massachusetts, United States of America, Department of Microbiology and Immunobiology, 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: LAB MBG. Performed the experiments: LAB. Analyzed the data: LAB MBG. Contributed reagents/materials/analysis tools: LAB MBG. Wrote the paper: LAB MBG.