About the Authors

Ali Mahzarnia

Roles Data curation, Formal analysis, Investigation, Methodology, Software, Visualization, Writing – original draft

Affiliation Department of Mathematics and Statistics, University of North Carolina at Charlotte, Charlotte, NC, United States of America

Jun Song

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

junsong@korea.ac.kr

Affiliation Department of Statistic, Korea University, Seoul, South Korea

Competing Interests

The authors have declared that no competing interests exist.