1. FinnBrain Birth Cohort Study, Turku Brain and Mind Center, Department of Clinical Medicine, University of Turku, Turku, Finland
2. Department of Psychology and Speech-Language Pathology, University of Turku, Turku, Finland
3. Department of Psychology, Northern Illinois University, DeKalb, IL, USA
4. Department of Psychiatry and SleepWell Research Program, Faculty of Medicine, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
5. Department of Public Health and Welfare, Finnish Institute for Health and Welfare, Helsinki, Finland
6. Department of Psychiatry, Turku University Hospital and University of Turku, Turku, Finland
7. Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland
8. Turku Institute for Advanced Studies, University of Turku, Turku, Finland