1. Centre for Health Equity Studies (CHESS), Department of Public Health Sciences, Stockholm University, Sweden
2. Danish Research Centre for Migration, Ethnicity and Health (MESU), Department of Public Health, University of Copenhagen, Denmark
3. Faculty of Health and Social Sciences, Department of Health, Social and Welfare Studies, University of South-Eastern Norway, Norway
4. School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Sweden
5. Research Department, Angered Hospital, Sweden
6. Department of Medicine, Clinical Epidemiology, Karolinska Institutet, Sweden