About the Authors

Douglas R. Wilcox

Affiliation Department of Microbiology and Immunology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, United States of America

Richard Longnecker

r-longnecker@northwestern.edu

Affiliation Department of Microbiology and Immunology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, United States of America

Competing Interests

The authors have declared that no competing interests exist.