1. Department of Clinical Neuroscience, Unit of Neurochemistry, University of Göteborg, Sahlgren's University Hospital/Mölndal, Sweden
2. Department of Clinical Neuroscience, Unit of Neurology, University of Göteborg, Sahlgren's University Hospital/Sahlgrenska, Sweden
3. Innogenetics NV, Gent, Belgium
4. Department of Clinical Neuroscience, Unit of Radiology, University of Göteborg, Sahlgren's University Hospital/Sahlgrenska, Sweden