About the Authors

Richard H. G. Baxter
Department of Chemistry and Molecular Biophysics & Biochemistry, Yale University, New Haven, Connecticut, United States of America

Corresponding Author

richard.baxter@yale.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BVL MW RHGB. Performed the experiments: BVL MW SL. Analyzed the data: BVL MW RHGB. Wrote the paper: MW RHGB.