About the Authors
Department of Biology, Tufts University, Medford, Massachusetts, United States of America
National Cancer Institute, Bethesda, Maryland, United States of America
Program in Genetics, Tufts Sackler School of Graduate Biomedical Sciences, Boston, Massachusetts, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: DPK MM. Performed the experiments: DPK MS. Analyzed the data: DPK MS MM. Contributed reagents/materials/analysis tools: DPK YR. Wrote the paper: DPK MM.