About the Authors

Byron N. Roberts

Current address: Department of Pharmacology, University of California Davis, Davis, California, United States of America

David J. Christini


Affiliation Greenberg Division of Cardiology and Department of Physiology, Biophysics and Systems Biology, Weill Cornell Medical College, New York, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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