1. Department of Neurology University of Heidelberg Heidelberg Germany
2. Research Center of Neurology Russian Academy of Medical Sciences Moscow Russia
3. Department of Neurology and Stroke Center Basel University Hospital Basel Switzerland
4. Neurology and Neurorehabilitation University Department of Geriatric Medicine FELIX PLATTER University of Basel Basel Switzerland
5. Department of Neurology Helsinki University Central Hospital Helsinki Finland
6. Department of Clinical Neuroscience/Neurology Institute of Neuroscience and Physiology Sahlgrenska Academy at University of Gothenburg Gothenburg Sweden
7. Department of Neurology Sahlgrenska University Hospital Gothenburg Sweden
8. Department of Neurology Klinikum Ludwigshafen Ludwigshafen Germany
9. Department of Neurology University Hospital Ludwig Maximilian University Munich Munich Germany
10. Suva/Swiss National Accident Insurance Fund Lucerne Switzerland
11. Department of Vascular and Endovascular Surgery University of Heidelberg Heidelberg Germany
12. Department of Clinical and Experimental Sciences Neurology ClinicUniversity of Brescia Brescia Italy