1. Kiel Institute for the World Economy, Research Area Poverty Reduction, Equity and Development, Kiel, Germany
2. Kiel University, Department of Political Science, Kiel, Germany
3. Institut d'Etudes Européennes,Université Sorbonne Nouvelle, Paris, France
4. Fondation Maison des Sciences de l'Homme, Paris, France
5. Universität St, Gallen, Switzerland
6. Ośrodek Studiów Wschodnich (OSW), Warsaw, Poland
7. Centre of Migration Research, University of Warsaw, Poland