1. Research Unit of Health Sciences and Technology, University of Oulu, Oulu, Finland
2. Research Unit of Population Health, University of Oulu, Oulu, Finland
3. Oulu Deaconess Institute Foundation sr., Department of Sports and Exercise Medicine, Oulu, Finland
4. Northern Ostrobothnia Hospital District, Oulu, Finland
5. Medical Research Center, Oulu University Hospital and University of Oulu, Oulu, Finland
6. Infrastructure for Population Studies, Northern Finland Birth Cohorts, Faculty of Medicine, University of Oulu, Oulu, Finland