Affiliation: | 1. Department of Health Science, Luleå University of Technology, Luleå, Sweden;2. Department of Development, Region Norrbotten, Luleå, Sweden;3. Department of Community Medicine and Rehabilitation, Geriatric Medicine, Sunderby Research Unit, Umeå University, Umeå, Sweden;4. Luleå University of Technology, Luleå, Sweden |