1. Institute of Health Sciences (D.C., M.-R.J.), University of Oulu, 90014 Oulu, Finland
2. Department of Epidemiology and Public Health (D.C., M.-R.J.), Imperial College London, London SW2 1PG, United Kingdom
3. Northwest Institute for Bio-Health Informatics (D.C.), The University of Manchester, Manchester M13 9PL, United Kingdom
4. Institute of Clinical Medicine (A.P., A.-L.H.), University of Oulu, 90014 Oulu, Finland
5. Lifecourse and Services Department (A.P., M.-R.J.), National Institute for Health and Welfare, 90101 Oulu, Finland
6. Institute of Diagnostics (A.R., P.S.), University of Oulu, 90014 Oulu, Finland