About the Authors

Wanqiu Hou

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

Eui Young So

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

Byung S Kim

To whom correspondence should be addressed. E-mail: bskim@northwestern.edu

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

WH, EYS, and BSK conceived and designed the experiments, analyzed the data, and wrote the paper. WH and EYS performed the experiments.