1. Division of Health, Activity, and Care, Department of Social and Welfare Studies, Faculty of Health Sciences, Linköping University, 601 74 Norrköping, Sweden
2. Division of Child and Adolescent Psychiatry, Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Linköping University, 581 85 Linköping, Sweden
3. Department of Medical and Health Sciences, National Centre for Work and Rehabilitation, Faculty of Health Sciences, Linköping University, 581 85 Linköping, Sweden
4. Division of Pediatrics, Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Linköping University, 581 85 Linköping, Sweden