1. Blekinge Center of Competence, Karlskrona, Sweden
2. Department of Health and Caring Sciences, Linnaeus University, 391 82 Kalmar, Sweden
3. Department of Health Sciences, Division of Geriatric Medicine, Lund University, Lund, Sweden
4. Division of Nursing, NVS, Karolinska Institute, Stockholm, Sweden
5. Institute of Gerontology, School of Health and Welfare, Ageing Research Network-Jönköping (ARN-J), Jönköping University, Jönköping, Sweden
6. Stockholm Centre for Health and Social Change (SCOHOST), Södertörn University, Huddinge, Sweden