1. The FinnBrain Birth Cohort Study, Turku Brain and Mind Center, Institute of Clinical Medicine, University of Turku, Turku, Finland.
2. Department of Medical Microbiology and Immunology, Institute of Biomedicine, University of Turku, Turku, Finland.
3. Department of Clinical Microbiology and Immunology, Turku University Hospital and University of Turku, Turku, Finland.
4. Bioinformatics, Turku Center for Biotechnology, Turku, Finland.
5. Department of Mathematics and Statistics, University of Turku, Turku, Finland.
6. Department of Child Psychiatry, Turku University Hospital and University of Turku, Turku, Finland.
7. Department of Psychiatry, Turku University Hospital and University of Turku, Turku, Finland.