1. Department of Caring Sciences, Faculty of Health and Occupational Studies, University of Gävle, Gävle, Sweden
2. Department of Neurobiology, Care Sciences and Society (NVS), Aging Research Centre (ARC), Karolinska Institute, Stockholm, Sweden
3. Stockholm University, Stockholm, Sweden
4. Department of Clinical Sciences in Malmö, Division of Geriatric Medicine, Skåne University Hospital, Lund University, Malmö, Sweden