1. M Conradsson, PT, MSc, is Research Assistant, Department of Community Medicine and Rehabilitation, Geriatric Medicine, Umeå University, SE-901 87 Umeå, Sweden
2. L Lundin-Olsson, PT, PhD, is Associate Professor, Department of Community Medicine and Rehabilitation, Physiotherapy, Umeå University
3. N Lindelöf, PT, MSc, is a PhD Student, Department of Community Medicine and Rehabilitation, Geriatric Medicine, Umeå University, and a PhD student, Physiotherapy Unit, Department of Health Sciences, Luleå University of Technology, SE-971 87. Luleå, Sweden
4. H Littbrand, PT, MSc, is a PhD student, Department of Community Medicine and Rehabilitation, Geriatric Medicine, Umeå University
5. L Malmqvist, PT, BSc, is Physiotherapist, Department of Community Medicine and Rehabilitation, Geriatric Medicine, Umeå University
6. Y Gustafson, MD, PhD, is Professor, Department of Community Medicine and Rehabilitation, Geriatric Medicine, Umeå University
7. E Rosendahl, PT, PhD, holds Junior Research Position, Physiotherapy Unit, Department of Health Sciences, Luleå University of Technology