[1] University of Oslo,Department of Nursing Science, and Research Center for Habilitation and Rehabilitation Services and Models (CHARM), Faculty of Medicine
[2] Oslo University Hospital,Department of Geriatric Medicine
[3] University of Oslo,Oslo Centre for Biostatistics and Epidemiology, Department of Biostatistics, Faculty of Medicine
[4] Akershus University Hospital,Department of Neurology
[5] Oslo University Hospital,Department of Geriatric Medicine and Physical Medicine and Rehabilitation
[6] Oslo Metropolitan University,Faculty of Health Sciences