About the Authors

Yun Xu

Affiliation Department of Bioengineering, University of Illinois at Chicago, Chicago, IL, United States of America

Changyu Hu

Affiliation Department of Bioengineering, University of Illinois at Chicago, Chicago, IL, United States of America

Yang Dai

Affiliation Department of Bioengineering, University of Illinois at Chicago, Chicago, IL, United States of America

Jie Liang

jliang@uic.edu

Affiliation Department of Bioengineering, University of Illinois at Chicago, Chicago, IL, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YX CH YD JL. Performed the experiments: YX CH. Analyzed the data: YX CH JL. Contributed reagents/materials/analysis tools: YX CH. Wrote the paper: YX CH YD JL.