About the Authors

Heidi A. Crosby

Affiliation Department of Microbiology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, Iowa, United States of America

Patrick M. Schlievert

Affiliation Department of Microbiology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, Iowa, United States of America

Joseph A. Merriman

Affiliation Department of Microbiology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, Iowa, United States of America

Jessica M. King

Affiliation Department of Microbiology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, Iowa, United States of America

Wilmara Salgado-Pabón

Affiliation Department of Microbiology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, Iowa, United States of America

Alexander R. Horswill

alex-horswill@uiowa.edu

Affiliation Department of Microbiology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, Iowa, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HAC PMS ARH. Performed the experiments: HAC PMS JAM JMK WSP. Analyzed the data: HAC PMS ARH. Contributed reagents/materials/analysis tools: HAC PMS ARH. Wrote the paper: HAC PMS ARH.