1. Department of Health‐ and Nursing Science Faculty of Health and Social Sciences Inland Norway University of Applied Sciences Elverum Norway
2. Department of Research Innlandet Hospital Trust Ottestad Norway
3. Norwegian National Advisory Unit on Ageing and Health Vestfold County Hospital Trust Tønsberg Norway
4. Department of Geriatric Medicine Oslo University Hospital Oslo Norway
5. Faculty of Medicine University of Oslo Oslo Norway
6. Norwegian Institute of Public Health Oslo Norway