1. Psychology/Welfare Sciences, Faculty of Social Sciences, University of Tampere, Tampere, Finland
2. Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki, Finland
3. Children’s Hospital, Pediatric Research Center, University of Helsinki, Helsinki University Hospital, Helsinki, Finland
4. Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
5. Finnish Institute for Health and Welfare, Helsinki, Finland
6. Research Unit for Pediatrics, Pediatric Neurology, Pediatric Surgery, Child Psychiatry, Dermatology, Clinical Genetics, Obstetrics and Gynecology, Otorhinolaryngology, and Ophthalmology, Medical Research Center Oulu, Oulu University Hospital, University of Oulu, Oulu, Finland
7. Folkhälsan Research Center, Helsinki, Finland
8. Department of Clinical and Molecular Medicine, Norwegian University for Science and Technology, Trondheim, Norway
9. Center for Molecular Medicine, Karolinska Institutet and Clinical Genetics, Karolinska University Hospital, Stockholm, Sweden