About the Authors

James J. Bull

bull@austin.utexas.edu

Affiliation Department of Integrative Biology, University of Texas at Austin, Austin, Texas, United States of America

Harmit S. Malik

Affiliations Division of Basic Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America, Howard Hughes Medical Institute, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America

Competing Interests

The authors have declared that no competing interests exist.