1. Department of Chronic Diseases and AgeingNorwegian Institute of Public Health Oslo Norway
2. Centre for Pharmacoepidemiology, Department of Medicine SolnaKarolinska Institutet Stockholm Sweden
3. Centre for Fertility and HealthNorwegian Institute of Public Health Oslo Norway
4. Centre of Public Health Sciences, Faculty of MedicineUniversity of Iceland Reykjavik Iceland
5. Information Services DepartmentFinnish Institute for Health and Welfare Helsinki Finland
6. Research Centre for Child PsychiatryUniversity of Turku Turku Finland
7. Department of Neurobiology, Care Sciences and SocietyKarolinska Institutet Stockholm Sweden
8. Centre for Big Data Research in Health, Faculty of MedicineUNSW Sydney Sydney Australia
9. Department of EpidemiologyHarvard T.H. Chan School of Public Health Boston Massachusetts USA
10. Division of Pharmacoepidemiology and Pharmacoeconomics, Department of MedicineBrigham and Women's Hospital and Harvard Medical School Boston Massachusetts USA
11. Department for Laboratory MedicineKarolinska Institutet Stockholm Sweden
12. Department of Clinical EpidemiologyAarhus University Aarhus Denmark