About the Authors

Miguel J. B. Pereira

Current address: Department of Chemistry, New York University, New York, New York, United States of America

Affiliation Single Molecule Analysis Group, Department of Chemistry, University of Michigan, Ann Arbor, Michigan, United States of America

Vivek Behera

Affiliation Single Molecule Analysis Group, Department of Chemistry, University of Michigan, Ann Arbor, Michigan, United States of America

Nils G. Walter

nwalter@umich.edu

Affiliation Single Molecule Analysis Group, Department of Chemistry, University of Michigan, Ann Arbor, Michigan, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MJP VB NGW. Performed the experiments: MJP VB. Analyzed the data: MJP VB. Wrote the paper: MJP VB NGW.