1. Department of Geriatric Medicine Oslo University Hospital Oslo Norway
2. Department of Geriatric Medicine University of Oslo Oslo Norway
3. Bevital AS Bergen Norway
4. Department of Clinical Molecular Biology University of Oslo and Akershus University Hospital Lørenskog Norway
5. The Norwegian Centre on Healthy Ageing (NO‐Age) University of Oslo and Akershus University Hospital Lørenskog Norway
6. Department of Neuromedicine and Movement Science Norwegian University of Science and Technology Trondheim Norway
7. Department of Geriatric Medicine St. Olavs Hospital Trondheim University Hospital Trondheim Norway
8. Oslo Delirium Research Group Oslo University Hospital Oslo Norway
9. Neuro‐SysMed Department of Internal Medicine Haraldsplass Deaconess Hospital Bergen Norway
10. Department of Clinical Science University of Bergen Bergen Norway
11. Institute of Clinical Medicine Campus Ahus University of Oslo Lørenskog Norway
12. Department of Geriatric Medicine Akershus University Hospital Lørenskog Norway