1. Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki, Finland
2. Department of Knowledge Brokers, Finnish Institute for Health and Welfare THL (Terveyden ja hyvinvoinnin laitos), Helsinki, Finland
3. Research Centre for Child Psychiatry, University of Turku, Turku, Finland
4. Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
5. Academic Primary Health Care Centre, Region Stockholm, Stockholm, Sweden
6. Department of Pediatrics and Adolescent Medicine, Oulu University Hospital, Oulu, Finland
7. Unit of Clinical Medicine, Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
8. Department of Public Health Solutions, Finnish Institute for Health and Welfare THL (Terveyden ja hyvinvoinnin laitos), Helsinki and Oulu, Finland
9. Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
10. Children’s Hospital, Helsinki University Hospital and University of Helsinki, Helsinki, Finland