About the Authors
- David A. Siegel
-
* E-mail: david.siegel@duke.edu
Affiliation Department of Political Science, Duke University, Durham, North Carolina, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: DS. Performed the experiments: DS. Analyzed the data: DS. Contributed reagents/materials/analysis tools: DS. Wrote the paper: DS.