1. CINTESIS—Center for Health Technology and Services Research, Instituto de Ciências Biomédicas Abel Salazar—ICBAS, Porto, Portugal
2. Center for Social Studies, University of Coimbra, Coimbra, Portugal
3. Faculty of Arts and Humanities University of Porto, Institute of Sociology of the University of Porto, Porto, Portugal
4. Faculty of Psychology and Education Sciences, Center for Research and Intervention in Education, University of Porto, Porto, Portugal