University of Groningen, National School for Political and Administrative Studies, National University of Political Studies and Public Administration (NSPSPA), Independent, Independent, George C. Marshall European Center for Security Studies, College of Europe, Bruges, National University of Political Studies and Public Administration (NSPSPA), National University of Political Studies and Public Administration (NSPSPA), Independent, National School of Political Studies and Public Administration(NSPSPA) - Department of International Relations and European Integration and National University of Political Studies and Public Administration (NSPSPA)