1. Rehab Nordväst, Stockholm County Council, Stockholm, Sweden
2. Academic Primary Care Centre (Cefam), Stockholm County Council, Stockholm, Sweden
3. Dept of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
4. FOU nu, Research and Development Unit for the Elderly, Stockholm County Council, Stockholm, Sweden
5. Dept of Neurobiology, Care Sciences and Society, Division of Physiotherapy, Karolinska Institutet, Stockholm, Sweden