About the Authors

Ilona U. Rafalska-Metcalf

Affiliation Gene Expression and Regulation Program, The Wistar Institute, Philadelphia, Pennsylvania, United States of America

Sara Lawrence Powers

Current address: Biomatrica, San Diego, California, United States of America

Affiliation Gene Expression and Regulation Program, The Wistar Institute, Philadelphia, Pennsylvania, United States of America

Lucy M. Joo

Affiliation Gene Expression and Regulation Program, The Wistar Institute, Philadelphia, Pennsylvania, United States of America

Gary LeRoy

Affiliation Department of Molecular Biology, Princeton University, Princeton, New Jersey, United States of America

Susan M. Janicki

sjanicki@wistar.org

Affiliation Gene Expression and Regulation Program, The Wistar Institute, Philadelphia, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IURM GL SJ. Performed the experiments: IURM LMJ. Analyzed the data: IURM SLP SJ. Contributed reagents/materials/analysis tools: IURM SLP LMJ GL SJ. Wrote the paper: IURM SLP SJ.