- KU Leuven
- University of Zurich
External person
- Helmut-Schmidt-University
- Faculty of Humanities and Social Sciences
External person
- University of Naples Federico II
External person
- IRPPS CNR
- National Research Council of Italy
External person
- Faculty of Humanities and Social Sciences
External person
- University of Naples Federico II
External person
- Faculty of Humanities and Social Sciences, HSU Hamburg, Hamburg, Germany
External person
- Faculty of Humanities and Social Sciences
External person
- Methodology of Educational Sciences Research Group, KU Leuven, Leuven, Belgium
External person
- University of Naples Federico II
External person
- Malmö Universitet
- Malmö University
External person
- Faculty of Humanities and Social Sciences, HSU Hamburg, Hamburg, Germany
External person
- Faculty of Humanities and Social Sciences
External person
- Methodology of Educational Sciences Research Group, KU Leuven, Leuven, Belgium
External person