About the Authors
- Mingjun Zhang
- Department of Mechanical, Aerospace, and Biomedical Engineering, University of Tennessee, Knoxville, Tennessee, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: SCL MZ. Performed the experiments: SCL BER. Analyzed the data: SCL BER XJ MZ. Contributed reagents/materials/analysis tools: MZ ZX. Wrote the paper: SCL BER XJ MZ.