Affiliation: | 1.Department of Sociology and Human Geography, University of Oslo, Oslo, Norway ;2.Department of Special Needs Education, University of Oslo, Oslo, Norway ;3.Department of Health Promotion and Development, University of Bergen, Bergen, Norway ;4.Statistics Norway, Oslo, Norway ;5.Regional Centre for Child and Youth Mental Health and Child Welfare, NORCE, Bergen, Norway ;6.Norwegian Center for Child Behavioral Development, Oslo, Norway ;7.University of Western Australia, Telethon Kids Institute, Perth, Australia ;8.Ragnar Frisch Centre for Economic Research, Oslo, Norway ; |