1. Gerontology Research Center and Department of Health Sciences, University of Jyväskylä, Jyväskylä, Finland
2. Division of Welfare and Health Promotion, Department of Chronic Disease Prevention, Diabetes Prevention Unit, National Institute for Health and Welfare, Helsinki, Finland
3. Folkhälsan Research Centre, Helsinki, Finland
4. MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, United Kingdom
5. Hospital for Children and Adolescents, Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland
6. Department of Obstetrics and Gynaecology, Oulu University Hospital and University of Oulu, Oulu, Finland
7. Department of General Practice and Primary Health Care, University of Helsinki, Helsinki, Finland
8. Unit of General Practice, Helsinki University Central Hospital, Helsinki, Finland
9. Vasa Central Hospital, Vasa, Finland