About the Authors

Angela M. Floden

Affiliation Departments of Microbiology and Immunology, University of North Dakota School of Medicine and Health Sciences, Grand Forks, North Dakota, United States of America

John A. Watt

Affiliation Departments of Anatomy and Cell Biology, University of North Dakota School of Medicine and Health Sciences, Grand Forks, North Dakota, United States of America

Catherine A. Brissette

catherine.brissette@med.und.edu

Affiliation Departments of Microbiology and Immunology, University of North Dakota School of Medicine and Health Sciences, Grand Forks, North Dakota, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CAB. Performed the experiments: CAB AMF JAW. Analyzed the data: CAB AMF JAW. Contributed reagents/materials/analysis tools: CAB JAW. Wrote the paper: AMF CAB.