About the Authors

Michael Knott
Robert B. Best

rbb24@cam.ac.uk

Affiliation University of Cambridge, Department of Chemistry, Cambridge, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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