1. Department of Clinical Sciences, Division of Geriatric Medicine, Lund University, Lund, Sweden
2. Centre for Ageing and Health, AGECAP, University of Gothenburg, Gothenburg, Sweden
3. Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden
4. Department of research and development, Blekinge Center of Competence, Karlskrona, Sweden
5. Department of Health and Caring Science, Linnaeus University, Kalmar, Sweden