About the Authors

Xize Xu

Roles Conceptualization, Formal analysis, Investigation, Methodology, Resources, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

xizexu2016@u.northwestern.edu (XX); h-riecke@northwestern.edu (HR)

Affiliation Department of Engineering Science and Applied Mathematics, Northwestern University, Evanston, Illinois, United States of America

Hermann Riecke

Roles Conceptualization, Formal analysis, Funding acquisition, Methodology, Project administration, Resources, Software, Supervision, Validation, Writing – original draft, Writing – review & editing

xizexu2016@u.northwestern.edu (XX); h-riecke@northwestern.edu (HR)

Affiliation Department of Engineering Science and Applied Mathematics, Northwestern University, Evanston, Illinois, United States of America

Competing Interests

The authors have declared that no competing interests exist.