About the Authors

Cathy Collins

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

Peter Azmi

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

Maribel Berru

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

Xiaofu Zhu

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

Marc J. Shulman

To whom correspondence should be addressed. E-mail: marc.shulman@utoronto.ca

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MS PA. Performed the experiments: CC MB XZ. Analyzed the data: MS CC PA. Wrote the paper: MS