About the Authors

Brian Skinner

bskinner@physics.umn.edu

Affiliation Fine Theoretical Physics Institute, University of Minnesota, Minneapolis, Minnesota, United States of America

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

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