About the Authors

Philip E. Ryan

Affiliations Laboratory of Cellular and Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America, The George Washington University, Institute for Biomedical Sciences, Washington, District of Columbia, United States of America

Stephen C. Kales

Affiliation Laboratory of Cellular and Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America

Rajgopal Yadavalli

Affiliation Laboratory of Cellular and Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America

Marion M. Nau

Affiliation Laboratory of Cellular and Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America

Han Zhang

Affiliation Laboratory of Cellular and Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America

Stanley Lipkowitz

lipkowis@mail.nih.gov

Affiliation Laboratory of Cellular and Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PER SCK RY SL. Performed the experiments: PER SCK RY MMN HZ SL. Analyzed the data: PER SCK RY MMN HZ SL. Wrote the paper: PER MMN SL.