1. Department of Culture and Society, Linköping University, Norrköping, Sweden
2. Department of Culture and Society, Ageing and Social Change, Linköping University, Sweden
3. Department of Acute Internal Medicine and Geriatrics, and Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
4. Primary Health Care Center Valla, and Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
5. Department of Activity and Health and Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden