1. Department of Occupational and Environmental Medicine, Lund University, Lund, Sweden
2. Research and Development Unit, City Office, City of Malmö, Malmö, Sweden
3. Department of Clinical Sciences/Psychiatry, Lund University, Lund, Sweden, and Gillberg Neuropsychiatry Centre, University of Gothenburg, Gothenburg, Sweden
4. Department of Health Sciences, Faculty of Medicine, Lund University, Lund, Sweden