About the Authors

Sheng Wang

Affiliation Department of Computer Science, University of Illinois at Urbana-Champaign, Urbana, Illinois, United States of America

Jian Peng

jianpeng@illinois.edu

Affiliation Department of Computer Science, University of Illinois at Urbana-Champaign, Urbana, Illinois, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: SW JP. Data curation: SW. Formal analysis: SW JP. Funding acquisition: JP. Investigation: SW JP. Methodology: SW JP. Project administration: JP. Resources: JP. Software: SW. Supervision: JP. Validation: SW JP. Writing – original draft: SW JP. Writing – review & editing: SW JP.