Krystyna Slan is Professor, Head of the Department of Population Studies, and Head of Gender Studies at the Institute of Sociology at the Jagiellonian University, Cracow, Poland Maria Kontos is Senior Research Fellow at the Institute for Social Research at the J.W. Goethe University, Frankfurt am Main and lecturer in sociology at the Goethe University, Germany Maria Liapi is a sociologist and equality expert, founding member of the Centre for Research on Women's Issues (Diotima) and a member of its directing board, Athens, Greece.