About the Authors

Xiaodong Pang

Affiliations Department of Physics, Florida State University, Tallahassee, Florida, United States of America, Institute of Molecular Biophysics, Florida State University, Tallahassee, Florida, United States of America

Huan-Xiang Zhou

hzhou4@fsu.edu

Affiliations Department of Physics, Florida State University, Tallahassee, Florida, United States of America, Institute of Molecular Biophysics, Florida State University, Tallahassee, Florida, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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