About the Authors

Tim Key

Affiliation Department of Microbiology and Immunology, Dalhousie University, Halifax, Nova Scotia, Canada

Roy Duncan

roy.duncan@dal.ca

Affiliations Department of Microbiology and Immunology, Dalhousie University, Halifax, Nova Scotia, Canada, Department of Biochemistry and Molecular Biology, Dalhousie University, Halifax, Nova Scotia, Canada, Department of Pediatrics, Dalhousie University, Halifax, Nova Scotia, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TK RD. Performed the experiments: TK. Analyzed the data: TK RD. Wrote the paper: TK RD.