1. Norwegian National Advisory Unit on Ageing and Health, Vestfold Hospital Trust, Tønsberg, Norway
2. Division for Mental Health and Addiction, Vestfold Hospital Trust, Tønsberg, Norway
3. Vestfold Hospital Trust, Tønsberg, Norway
4. Oslo University Hospital, Department of Geriatric Medicine, Oslo, Norway
5. The Centre for Old Age Psychiatric Research, Innlandet Hospital Trust, Ottestad, Norway
6. Faculty of Medicine, University of Oslo, Oslo, Norway
7. Institute of Clinical Medicine, Campus Ahus, University of Oslo, Oslo, Norway
8. Health Services Research Unit, Akershus University Hospital, Lørenskog, Norway
9. Pharmaceutical Bioscience, School of Pharmacy, University of Oslo, Oslo, Norway
10. Department of Research and Development, Telemark Hospital, Skien, Norway