1. Department of Clinical Neuroscience Institute of Neuroscience and Physiology Sahlgrenska Academy Gothenburg University GothenburgSweden
2. Department of Neurology Sahlgrenska University Hospital Gothenburg Sweden
3. Department of Neuroscience, Biomedicine and Movement Science University of Verona VeronaItaly
4. Division of Neurology ‘Franz Tappeiner’ Hospital Merano Italy
5. Department of Neurobiology, Care Sciences and Society Division of Clinical Geriatrics Karolinska Institutet StockholmSweden
6. Internal Medicine Section for Neurology Södersjukhuset Stockholm Sweden