About the Authors

Nora Engel
Fels Institute for Cancer Research/Biochemistry, Temple University School of Medicine, Philadelphia, Pennsylvania, United States of America

Corresponding Author

noraengel@temple.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LK NE. Performed the experiments: LK NS NE. Analyzed the data: LK NE. Wrote the paper: LK NE.