1. Department of Social Work, Universidad Complutense de Madrid, Madrid, Spain
2. Department of Social Work, Universidad Alberto Hurtado, Santiago, Chile
3. Institute of Economics, Geography and Demography, Spanish National Research Council, Madrid, Spain
4. Department of Social Work, Universitat de Barcelona, Barcelona, Spain
5. Department of Social Work, University of La Frontera, Temuco, Chile
6. Research Institute for Development and Cooperation (IUDC-UCM), Universidad Complutense, Madrid, Spain