1. Department of Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, 7491 Trondheim, Norway
2. Department of Public Health and General Practice, Faculty of Medicine, Norwegian University of Science and Technology, 7491 Trondheim, Norway
3. Physiotherapy Programme, Faculty of Health Science, Oslo and Akershus University College of Applied Sciences, 0130 Oslo, Norway
4. Department of Geriatric Medicine, Baerum Hospital, Vestre Viken Trust, 1309 Rud, Norway
5. Department of Geriatrics, University Hospital in Northern Norway, 9038 Tromsø, Norway
6. Stroke Unit, Department of Medicine, St. Olavs Hospital, Trondheim University Hospital, 7006 Trondheim, Norway