1. The UKK-Institute for Health Promotion Research , Tampere, Finland
2. University of Turku , Turku, Finland
3. LIKES Research Centre for Physical Activity and Health , Jyväskylä, Finland
4. Oulu Deaconess Institute Foundation , Oulu, Finland
5. Kuopio Research Institute of Exercise Medicine , Kuopio, Finland
6. Kuopio University Hospital , Kuopio, Finland
7. University of Jyväskylä , Jyväskylä, Finland
8. Faculty of Medicine and Health Technology, Military medicine, Tampere University , Tampere, Finland