1. Marcela Calchei University of Szeged, Doctoral School of Education, Szeged, Hungary
2. Colorado State University, Human Development & Family Studies, Fort Collins, CO, USA
3. MTA-MATE Early Childhood Research Group, Kaposvár, Hungary, Pwani University, School of Education, Kilifi, Kenya
4. University of Szeged, Institute of Education, Szeged, Hungary; Hungarian University of Agriculture and Life Sciences, Institute of Education, Kaposvár, Hungary