About the Authors

Frank R. Baumgartner

Roles Conceptualization, Data curation, Investigation, Project administration, Supervision, Visualization, Writing – original draft, Writing – review & editing

frankb@unc.edu

Affiliation Department of Political Science, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Janet M. Box-Steffensmeier

Roles Methodology

Affiliation Department of Political Science, Ohio State University, Columbus, Ohio, United States of America

Benjamin W. Campbell

Roles Data curation, Methodology, Visualization

Affiliation Department of Political Science, Ohio State University, Columbus, Ohio, United States of America

Christian Caron

Roles Data curation, Methodology, Validation, Visualization, Writing – review & editing

Affiliation Department of Political Science, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Hailey Sherman

Roles Data curation, Methodology, Validation, Visualization, Writing – review & editing

Affiliation Department of Political Science, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.