[1] Univ Giessen, Neurol, DE-35392 Giessen, Germany
[2] Univ Rostock, Inst Med Psychol & Med Sociol, D-18055 Rostock, Germany
[3] Charite, Dept Clin Epidemiol & Biostat, D-13353 Berlin, Germany
[4] Charite, Ctr Stroke Res, D-13353 Berlin, Germany
[5] Med Univ Graz, Dept Neurol, Graz, Austria
[6] Univ Helsinki, Cent Hosp, Dept Neurol, Helsinki, Finland
[7] Ernst Moritz Arndt Univ Greifswald, Dept Neurol, Greifswald, Germany
[8] Dept Neurol, Friedrichshafen, Germany
[9] Med Univ Graz, Div Neuroradiol, Dept Radiol, Graz, Austria
[10] Univ Munich, Klinikum Grosshadern, Inst Stroke & Dementia Res, D-80539 Munich, Germany
[11] Lund Univ, Dept Clin Neurosci, Neurol, Lund, Sweden
[12] Univ Rostock, Albrecht Kossel Inst Neuroregenerat, Rostock, Germany