1. Unit of Neuroepidemiology and Health Service Research, Division of Neurology, Department of Clinical Neuroscience, Occupational Therapy and Elderly Care Research and Department of Physical Therapy, Sweden
2. Department of Physical Therapy, Sweden
3. Division of Occupational Therapy, Department of Clinical Neuroscience, Occupational Therapy and Elderly Care Research, Karolinska Institutet, Stockholm, Sweden
4. Unit of Neuroepidemiology and Health Services Research, Division of Neurology, Department of Clinical Neuroscience, Occupational Therapy and Elderly Care Research, Karolinska Institutet, Stockholm, Sweden and National Center for Epidemiology, Carlos III Institute of Health, Madrid, Spain