About the Authors

Robert O Watson

Affiliation Section of Microbial Pathogenesis, Yale University, School of Medicine, New Haven, Connecticut, United States of America

Jorge E Galán

To whom correspondence should be addressed. E-mail: jorge.galan@yale.edu

Affiliation Section of Microbial Pathogenesis, Yale University, School of Medicine, New Haven, Connecticut, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

ROW conducted and designed the experiments, interpreted the data, and wrote the manuscript. JEG designed the experiments, interpreted the data, and wrote the manuscript.