1. The Research Center for Age-Related Functional Decline and Disease, Innlandet Hospital Trust, Ottestad, Norway
2. Department of Internal Medicine, Innlandet Hospital Trust, Hamar, Norway
3. Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
4. Institute of Clinical Medicine, Campus Ahus, University of Oslo, Oslo, Norway
5. Health Services Research Unit, Akershus University Hospital, Lørenskog, Norway
6. Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
7. Department of Oncology, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
8. Department of Geriatric Medicine, Oslo University Hospital, Oslo, Norway
9. Department of Oncology, Oslo University Hospital, Oslo, Norway
10. Norwegian Advisory Unit on Ageing and Health, Vestfold Hospital Trust, Tønsberg, Norway
11. Faculty of Health, Care and Nursing, NTNU Gjøvik, Gjøvik, Norway
12. Department of Internal Medicine, Innlandet Hospital Trust, Gjøvik, Norway