About the Authors

Ying Zhang

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

yingzhang@brandeis.edu

Affiliation Department of Mathematics, Brandeis University, Waltham, Massachusetts, United States of America

Thomas G. Fai

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Resources, Supervision, Validation, Writing – original draft, Writing – review & editing

Affiliation Department of Mathematics, Brandeis University, Waltham, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.