About the Authors

Shouguo Gao

Affiliations Department of Physics, University of Alabama at Birmingham, Birmingham, Alabama, United States of America, The Comprehensive Diabetes Center, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

Herbert Keith Roberts

Affiliation Department of Physics, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

Xujing Wang

xujingw@uab.edu

Affiliations Department of Physics, University of Alabama at Birmingham, Birmingham, Alabama, United States of America, The Comprehensive Diabetes Center, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SG XW. Performed the experiments: SG HKR XW. Analyzed the data: SG HKR XW. Contributed reagents/materials/analysis tools: SG XW. Wrote the paper: SG XW.