Quentin MICHEL is Director of the European Studies Unit in the Department of Political Science at the University of Liège (Belgium). Sylvain Paile is a senior researcher in the European Studies Unit in the Department of Political Science at the University of Liège (Belgium). Maryna Tsukanova collaborates with the European Studies Unit in the Department of Political Science at the University of Liège (Belgium).
Andrea Viski is a researcher in the Non-proliferation and Arms Control Programme at the Stockholm International Peace Research Institute.