About the Authors

Randy W. Hyppa

Affiliation Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America

Gareth A. Cromie

Affiliation Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America

Gerald R. Smith

gsmith@fhcrc.org

Affiliation Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RWH GAC GRS. Performed the experiments: RWH. Analyzed the data: RWH GAC GRS. Contributed reagents/materials/analysis tools: RWH. Wrote the paper: RWH GAC GRS.