About the Authors
Terry Fox Laboratory, British Columbia Cancer Agency, Vancouver, British Columbia, Canada
Department of Medical Genetics, University of British Columbia, Vancouver, British Columbia, Canada
The authors have declared that no competing interests exist.
Conceived and designed the experiments: YZ MTR DLM. Performed the experiments: YZ MTR. Analyzed the data: YZ MTR DLM. Contributed reagents/materials/analysis tools: YZ MTR. Wrote the paper: YZ DLM.