¹ Duke University, Durham, United States, ² IAST, Toulouse, France

¹ Hertie School Berlin's University of Governance Friedrichstrasse 180 10117 Berlin, Germany, Berlin, Germany, ² Hertie School Berlin's University of Governance Friedrichstrasse 180 10117 Berlin, Germany, Berlin, Germany, ³ University of Oxford, Department of Political Science and International Relations Manor Road, Oxford, United Kingdom

¹ Universitat Pompeu Fabra, Barcelona, Spain, ² New York University, New York, United States

Nuffield College, University of Oxford, Oxford, United Kingdom, Yale University, New Haven, United States

¹ American University, Washington, DC, United States, ² Texas A&M, College Station, TX, United States