1. Research Unit of Medical Imaging, Physics and Technology (MIPT), University of Oulu, Oulu, Finland
2. Medical Research Center, University of Oulu and Oulu University Hospital, Oulu, Finland
3. UKK Institute for Health Promotion Research, Tampere, Finland
4. Department of Diagnostic Radiology, Oulu University Hospital, Oulu, Finland
5. Department of Sports and Exercise Medicine, Oulu Deaconess Institute, Oulu, Finland
6. Center for Life Course Health Research, University of Oulu, Oulu, Finland