1. Norwegian National Advisory Unit on Ageing and Health Vestfold Hospital Trust Tønsberg Norway
2. Institute of Health and Society Faculty of Medicine University of Oslo Oslo Norway
3. Department of Geriatric Medicine Oslo University Hospital Oslo Norway
4. Faculty of Health Sciences Department of Occupational Therapy, Prosthetics and Orthotics OsloMet – Oslo Metropolitan University Oslo Norway
5. Department of Health Sciences Norwegian University of Science and Technology (NTNU) Gjøvik Norway
6. Research Centre for Age Related Functional decline and Disease Innlandet Hospital Trust Ottestad Norway
7. Institute of Clinical Medicine Faculty of Medicine University of Oslo Oslo Norway
8. Institute of Clinical Medicine University of Oslo Oslo Norway
9. Health Services Research Unit, Research Centre Akershus University Hospital Lørenskog Norway
10. Faculty of Health Sciences and Social Care Molde University College Molde Norway