About the Authors

Daniel C. Chapman

Affiliation Department of Immunology, University of Toronto, Toronto, Ontario, Canada

Pawel Stocki

Affiliation Department of Biochemistry, University of Toronto, Toronto, Ontario, Canada

David B. Williams

david.williams@utoronto.ca

Affiliations Department of Immunology, University of Toronto, Toronto, Ontario, Canada, Department of Biochemistry, University of Toronto, Toronto, Ontario, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DCC DBW. Performed the experiments: DCC PS. Analyzed the data: DCC PS DBW. Contributed reagents/materials/analysis tools: DCC PS DBW. Wrote the paper: DCC DBW.