1. UiT The Arctic University of Norway, Tromsø, Norway
2. Department of Medicine, Nordland Hospital, Bodø, Norway
3. Research Department, Nordland Hospital, Bodø, Norway
4. Research Laboratory, Nordland Hospital, Bodø, Norway
5. Nordland Heart Center, Bodø, Norway
6. Nord University, Bodø, Norway
7. Department of Clinical Medicine, UiT The Arctic University of Norway, Tromsø, Norway