1. Department of Psychology (K.R., A.-K.P., K.H., N.K., J.L., R.P., K.F.), University of Helsinki, 00014 Helsinki, Finland
2. Department of Psychiatry (K.A.M.), University of Pittsburgh, Pittsburgh, Pennsylvania 15215
3. Hospital for Children and Adolescents (A.-L.J., E.K., A.-K.P.), University of Helsinki, 00029 Helsinki, Finland
4. National Institute for Health and Welfare (E.J.P., J.G.E., E.K.), 00271 Helsinki, Finland
5. University College London Institute of Child Health (A.J.), London WC1N 1EH, United Kingdom
6. Medical Research Council Epidemiology Resource Centre (A.J., D.I.W.P.), and Developmental Origins of Health and Disease Division, University of Southampton, Southampton SO16 6YD, United Kingdom
7. Centre for Cardiovascular Science (J.R.S.), The Queen’s Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, United Kingdom
8. Department of General Practice and Primary Health Care (J.G.E.), Institute of Clinical Medicine, University of Helsinki, 00014 Helsinki, Finland
9. Vasa Central Hospital (J.G.E.), 65100 Vasa, Finland
10. Folkhälsan Research Centre (J.G.E.), 00290 Helsinki, Finland
11. Helsinki University Central Hospital (J.G.E.), Unit of General Practice, 00014 Helsinki, Finland
12. Department of Health Sciences/Geriatrics (T.E.S.), University of Oulu, and Oulu University Hospital, Unit of General Practice, 90014 Oulu, Finland