About the Authors

Mary Q Yang

Affiliation Genome Technology Branch, National Human Genome Research Institute, National Institutes of Health, Rockville, Maryland, United States of America

Laura M Koehly

Affiliation Social and Behavioral Research Branch, National Human Genome Research Institute, National Institutes of Health, Rockville, Maryland, United States of America

Laura L Elnitski

To whom correspondence should be addressed. E-mail: Elnitski@mail.nih.gov

Affiliation Genome Technology Branch, National Human Genome Research Institute, National Institutes of Health, Rockville, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

LLE conceived and designed the experiments and wrote the paper. MQY and LMK performed the experiments. MQY and LLE analyzed the data.