1. Department of Nursing and Physiotherapy, Faculty of Nursing and Physiotherapy, University of Lleida, Spain
2. Public Health Research Group of the University of Alicante, Spain
3. Interuniversity Institute for Social Development and Peace, World Health Organization Collaborating Centre for Health and Social Inclusion of the University of Alicante, Spain
4. Department of Nursing I, University of the Basque Country, Leioa, Bizkaia, Spain
5. Epidemiology and Public Health CIBER, Madrid, Spain
6. Umeå Centre for Gender Studies, Umeå University, Sweden
7. Epidemiology and Global Health Unit, Department of Public Health and Clinical Medicine, Umeå University, Sweden