1. Department of Clinical Sciences Malmö, Lund University, Sweden
2. Primary School Administration, City of Malmö, Sweden
3. Department of Child and Adolescent Psychiatry, Lund University Hospital, Sweden
4. Institute of Environmental Medicine, Karolinska Institute, Sweden
5. Division of Occupational and Environmental Medicine, Lund University, Sweden
6. Clinical Studies Sweden, Skåne University Hospital, Sweden