University of Duisburg-Essen, Department of Sociology
Sjoerd Groenmangebouw, Department of Sociology
Deutsches Jugendinstitut (DJI)
Department of Psychology, Institute For family Research and Counselling, University of Fribourg
Clinical Child and Adolescent Psychology, Department of Clinical and Health Psychology University of Vienna
Family Studies Lab, Department of Psychology, University of Notre Dame
Department of Psychology, University of Rochester
Centre de droit, politique et éthique de la Section de droit civil, Faculté de droit Ottawa University
Civil law section Law Faculty, Geneva University
Swiss Centre of Expertise in the Social Sciences, FORS, University of Lausanne
Department of Information Systems, University of Maryland