About the Authors
Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America
Department of Biostatistics, University of Washington, Seattle, Washington, United States of America
Terry Fox Laboratory, British Columbia Cancer Agency, Vancouver, British Columbia, Canada
Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
Departments of Medicine and Pathology, University of Washington, Seattle, Washington, United States of America
The authors have declared that no competing interests exist.
XBZ performed the experiments. BCB performed the integration-site studies. KB assisted with the analysis of the experiments. BS performed the statistical analyses. RKH assisted with the design and interpretation of results. HPK designed the experiments and wrote the paper.