About the Authors

Lu Zhang

Affiliation School of Biomedical Engineering, Capital Medical University, Beijing, China

Dongyue Li

Affiliation School of Biomedical Engineering, Capital Medical University, Beijing, China

Shuqian Luo

sqluo@ieee.org

Affiliation School of Biomedical Engineering, Capital Medical University, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LZ SL. Performed the experiments: LZ DL. Analyzed the data: LZ. Contributed reagents/materials/analysis tools: LZ SL. Wrote the paper: LZ.