About the Authors

Hongbaek Cho

Affiliation Department of Microbiology and Immunobiology, Harvard Medical School, Boston, Massachusetts, United States of America

Thomas G. Bernhardt

thomas_bernhardt@hms.harvard.edu

Affiliation 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: HC TGB. Performed the experiments: HC. Analyzed the data: HC TGB. Contributed reagents/materials/analysis tools: HC TGB. Wrote the paper: HC TGB.