Prof. Dr. Tanja Betz is a Member of the LOEWE Research Centre for Individual Development and Adaptive Education of Children at Risk (IDeA) and Professor of Pedagogy with a focus on Childhood Research, Early Childhood and Primary Education, Goethe University Frankfurt am Main, Germany. Prof. em. Dr. Michael-Sebastian Honig is a Professor of Social Work and Member of the Research Group Early Childhood: Education and Care, University of Luxembourg. Prof. em. Dr. Ilona Ostner is a Professor of Political Sociology and Social Policy, University of Göttingen, Germany.