¹ University of Lausanne, Lausanne, Switzerland, ² University of Amsterdam, Amsterdam, Netherlands, ³ University of Koblenz-Landau, Landau, Germany

¹ Mannheim Centre for European Social Research University of Mannheim, Mannheim, Germany, ² European University Institute, Florence, Italy

¹ Trinity College Dublin, Dublin, Ireland, ² University of Exeter & Exeter Q-Step Centre, Exeter, United Kingdom, ³ University College Dublin, Dublin, Ireland, ⁴ Tulane University, New Orleans, United States

¹ University of Zurich, Zurich, Switzerland, ² University College Dublin, Dublin, Ireland

¹ Hertie School, Berlin, Germany, ² University of Mannheim, Mannheim, Germany, ³ Princeton University, Princeton, United States, ⁴ USC, Los Angeles, United States, ⁵ UIUC, Urbana-Champaign, United States