1. Department of Educational Sciences, Vrije Universiteit Brussel, Brussels, Belgium
2. Department of Sociology, Universitat de Barcelona, Barcelona, Spain
3. Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain
4. Department of Educational Sciences, Vrije Universiteit Brussel (VUB), Brussels, Belgium