1. Norwegian National Advisory Unit on Ageing and Health, Vestfold Hospital Trust, Tønsberg, Norway
2. Department for Mental Health Research and Development, Division for Mental Health and Addiction, Vestre Viken Hospital Trust, Lier, Norway
3. Institute of Health and Society, Faculty of Medicine, University of Oslo, Oslo, Norway
4. Centre for Old Age Psychiatric Research Innlandet Hospital Trust, Ottestad, Norway
5. National School of Public Health, Fundação Oswaldo Cruz, Rio, Brazil
6. Department of Public Health and General Practice, Faculty of Medicine, Norwegian University of Science and Technology (NTNU)
7. St Olav's University Hospital, Trondheim, Norway
8. Institute of Clinical Medicine, Campus Ahus, University of Oslo, Norway
9. HØKH, Research Centre, Akershus University Hospital, Norway