About the Authors

Jianzhu Ma

Affiliation Toyota Technological Institute at Chicago, Chicago, Illinois, United States of America

Sheng Wang

Affiliation Toyota Technological Institute at Chicago, Chicago, Illinois, United States of America

Zhiyong Wang

Affiliation Toyota Technological Institute at Chicago, Chicago, Illinois, United States of America

Jinbo Xu

j3xu@ttic.edu

Affiliation Toyota Technological Institute at Chicago, Chicago, Illinois, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JM SW JX. Performed the experiments: JM SW ZW. Analyzed the data: JM SW JX. Contributed reagents/materials/analysis tools: JM SW ZW. Wrote the paper: JM JX.