About the Authors

Matthew L. Johnson, Alexis A. Nagengast, Helen K. Salz
Department of Genetics, Case Western Reserve University, School of Medicine, Cleveland, Ohio, United States of America

Corresponding Author

hks@case.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MLJ AAN HKS. Performed the experiments: MLJ AAN HKS. Analyzed the data: MLJ AAN HKS. Wrote the paper: MLJ HKS.