1. Department of Circulation and Medical Imaging, Faculty of Medicine and Health Sciences Norwegian University of Science and Technology Trondheim Norway
2. Department of Nephrology, Clinic of Medicine, St. Olavs hospital Trondheim University Hospital Trondheim Norway
3. Department of Physiotherapy, Clinic of Clinical Services, St. Olavs hospital Trondheim University Hospital Trondheim Norway
4. Norwegian Centre for E‐health Research University Hospital of North Norway Tromso Norway
5. Department of Clinical Medicine UiT The Arctic University of Norway Tromso Norway
6. Clinic of Cardiology, St. Olavs hospital Trondheim University Hospital Trondheim Norway
7. Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences Norwegian University of Science and Technology Trondheim Norway
8. Department of Medicine, Levanger Hospital Nord‐Trøndelag Hospital Trust Levanger Norway