About the Authors

Michael C. Horowitz

Contributed equally to this work with: Michael C. Horowitz, Lauren Kahn, Julia Macdonald, Jacquelyn Schneider

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

horom@sas.upenn.edu

Affiliation Department of Political Science, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Lauren Kahn

Contributed equally to this work with: Michael C. Horowitz, Lauren Kahn, Julia Macdonald, Jacquelyn Schneider

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

Affiliation Council on Foreign Relations, Washington, D.C., United States of America

Julia Macdonald

Contributed equally to this work with: Michael C. Horowitz, Lauren Kahn, Julia Macdonald, Jacquelyn Schneider

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

Affiliation Department of Political Science, University of Denver, Denver, Colorado, United States of America

Jacquelyn Schneider

Contributed equally to this work with: Michael C. Horowitz, Lauren Kahn, Julia Macdonald, Jacquelyn Schneider

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

Affiliation Freeman Spogli Institute, Stanford University, Stanford, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.