About the Authors
Department of Physics and Institute of Molecular Biophysics, Florida State University, Tallahassee, Florida, United States of America
Lawton Chiles High School, Tallahassee, Florida, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: KHZ HXZ. Performed the experiments: XP KHZ SQ. Analyzed the data: XP KHZ HXZ. Contributed reagents/materials/analysis tools: SQ. Wrote the paper: KHZ HXZ.