1. Department of Medical Epidemiology and Biostatistics Karolinska Institutet Solna Sweden
2. School of Medical Sciences Örebro University Örebro Sweden
3. Department of Pediatrics Örebro University Hospital Örebro Sweden
4. Division of Epidemiology and Public Health, School of Medicine University of Nottingham Nottingham UK
5. Department of Medicine Columbia University College of Physicians and Surgeons New York New York USA
6. Swedish National Diabetes Register Centre of Registers Gothenburg Sweden
7. Department of Molecular and Clinical Medicine, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
8. Centre for Psychiatry Research, Department of Clinical Neuroscience Karolinska Institutet & Stockholm Health Care Service Stockholm Sweden
9. Child and Adolescent Psychiatry Stockholm Health Care Service Stockholm Sweden
10. Department of Child Psychiatry Medical University of Warsaw Warsaw Poland
11. Department of Biostatistics and Translational Medicine Medical University of Lodz Lodz Poland