1. Department Educational Sciences, Vrije Universiteit Brussel, Brussels, Belgium
2. Department Humanism & Philosophy, University for Humanistic Studies, Utrecht, The Netherlands
3. Research Foundation Flanders (FWO), Brussels, Belgium
4. Interdisciplinary Research Group (Vrije Universiteit Brussel, Hogent University College, Maastricht University, Universiteit Antwerpen, KU Leuven), Belgium & the Netherlands