1. Department of Social Work, Stockholm University, and Clinical Epidemiology/Department of Medicine; Karolinska Institutet; Stockholm Sweden
2. Department of Child and Adolescent Psychiatry; Lund University Hospital; Lund Sweden
3. Centre for Health Equity Studies (CHESS); Karolinska Institutet/Stockholm University; Stockholm Sweden
4. Clinical Epidemiology/Department of Medicine; Karolinska Institutet; Stockholm Sweden