1. Department of Community Medicine, UiT The Arctic University of Norway, Tromsø, Norway
2. Finnmark Hospital Trust, Kirkenes Hospital, Kirkenes, Norway
3. Centre for Sámi Health Research, Department of Community Medicine, UiT The Arctic University of Norway, Tromsø, Norway
4. Faculty of Medicine, University of Oulu, Oulu, Finland
5. School of Sport Sciences, UiT The Arctic University of Norway, Tromsø, Norway