About the Authors

Catherine Oikonomou

Affiliation Laboratory of Cell Cycle Genetics, The Rockefeller University, New York, New York, United States of America

Frederick R. Cross

fcross@rockefeller.edu

Affiliation Laboratory of Cell Cycle Genetics, The Rockefeller University, New York, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CO FC. Performed the experiments: CO. Analyzed the data: CO FC. Contributed reagents/materials/analysis tools: CO FC. Wrote the paper: CO FC.