1. Department of Sports and Exercise Medicine, Oulu Deaconess Institute, Oulu, Finland;
2. Medical Research Center Oulu, University Hospital of Oulu and University of Oulu, Oulu, Finland;
3. Center for Life Course Health Research, University of Oulu, Oulu, Finland;
4. Oulu University Hospital, OYS, Oulu, Finland;
5. Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland;
6. Center for Environmental and Respiratory Health Research, University of Oulu, Oulu, Finland;
7. Center for Machine Vision and Signal Analysis, University of Oulu, Oulu, Finland, University of Oulu