About the Authors

Patrick E. Jamieson

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

Affiliation Annenberg Public Policy Center, University of Pennsylvania, Philadelphia, PA, United States of America

Daniel Romer

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

dan.romer@appc.upenn.edu

Affiliation Annenberg Public Policy Center, University of Pennsylvania, Philadelphia, PA, United States of America

Competing Interests

The authors have declared no competing interests exist.