About the Authors

David B. Lowry

davidbryantlowry@gmail.com

Affiliations University Program in Genetics and Genomics, Duke University Medical Center, Durham, North Carolina, United States of America, Department of Biology, Duke University, Durham, North Carolina, United States of America

John H. Willis

Affiliations University Program in Genetics and Genomics, Duke University Medical Center, Durham, North Carolina, United States of America, Department of Biology, Duke University, Durham, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

The author(s) have made the following declarations about their contributions: Conceived and designed the experiments: DBL JHW. Performed the experiments: DBL. Analyzed the data: DBL. Contributed reagents/materials/analysis tools: DBL JHW. Wrote the paper: DBL JHW.