About the Authors
Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, Alberta, Canada
The authors have declared that no competing interests exist.
Conceived and designed the experiments: IH MRC MMR DET MS MFF. Performed the experiments: IH MRC MMR MS. Analyzed the data: IH MRC MS MFF. Contributed reagents/materials/analysis tools: MS MFF. Wrote the paper: IH MFF.