1. National Institute for Health and Welfare, Public Health Genomics Unit and Institute for Molecular Medicine FIMM, Helsinki, Finland
2. University of Turku, Centre for Cognitive Neuroscience, Turku Brain and Mind Center, Department of Psychology, Turku, Finland
3. School of Bioscience, University of Skövde, Skövde, Sweden
4. National Institute for Health and Welfare, Department of Health, Unit of Chronic Disease Prevention, Turku, Finland
5. University of Eastern Finland, Institute of Public Health and Clinical Nutrition, Kuopio, Finland
6. Hospital District of North Karelia, Joensuu, Finland
7. Helsinki University and University Hospital, Department of Psychiatry, Helsinki, Finland