About the Authors

Lisa M. Federer

lisa.federer@nih.gov

Affiliation NIH Library, Division of Library Services, Office of Research Services, National Institutes of Health, Bethesda, Maryland, United States of America

Ya-Ling Lu

Affiliation NIH Library, Division of Library Services, Office of Research Services, National Institutes of Health, Bethesda, Maryland, United States of America

Douglas J. Joubert

Affiliation NIH Library, Division of Library Services, Office of Research Services, National Institutes of Health, Bethesda, Maryland, United States of America

Judith Welsh

Affiliation NIH Library, Division of Library Services, Office of Research Services, National Institutes of Health, Bethesda, Maryland, United States of America

Barbara Brandys

Affiliation NIH Library, Division of Library Services, Office of Research Services, National Institutes of Health, Bethesda, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LMF DJJ. Performed the experiments: LMF. Analyzed the data: LMF YL DJJ JW BB. Wrote the paper: LMF YL DJJ JW BB.