1. Tobias Bach is at the Department of Political Science; University of Oslo; Norway
2. Fabrizio De Francesco is at the School of Government & Public Policy; University of Strathclyde; UK
3. Martino Maggetti is at the Institute of Political and International Studies; University of Lausanne; Switzerland
4. Eva Ruffing is at the Department of Political Science; Leibniz University Hannover; Germany