About the Authors

Michael D. Stern

sternm@grc.nia.nih.gov

Affiliation Laboratory of Cardiovascular Science, National Institute on Aging, National Institutes of Health, Baltimore, Maryland, United States of America

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MDS. Performed the experiments: MDS. Analyzed the data: MDS. Contributed reagents/materials/analysis tools: MDS. Wrote the paper: MDS.