1. Department of Neurosciences and Mental Health, Serviço de Neurologia, Hospital Santa Maria/Centro Hospitalar Lisboa Norte, Lisbon, Portugal
2. Instituto de Medicina Molecular and Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
3. Department of Neurology, Academic Medical Centre, Amsterdam, the Netherlands
4. Department of Clinical and Experimental Medicine, Insubria University, Varese, Italy
5. Faculty of Health Sciences and Physical Education, Kazimierz Pulaski University of Technology and Humanities Radom, Warsaw, Poland
6. Interventional Stroke and Cerebrovascular Disease Treatment Center, Institute of Psychiatry and Neurology, Warsaw, Poland
7. Sverdlovsk Regional Clinical Hospital No 1, Yekaterinburg, Russia
8. Neurology Department, Regional State Budget Healthcare, City Hospital No. 5, Barnaul, Russia
9. Department of Neurology, University Hospital Heidelberg, Heidelberg, Germany
10. Neurology Department, Centro Hospitalar de Entre o Douro e Vouga, Santa Maria da Feira, Portugal
11. Boehringer Ingelheim International, Ingelheim am Rhein, Germany
12. Boehringer Ingelheim Pharma GmbH & Co KG, Ingelheim am Rhein, Germany
13. Boehringer Ingelheim BV, Alkmaar, the Netherlands
14. Department of Clinical Development, Boehringer Ingelheim Pharmaceuticals Inc, Ridgefield, Connecticut
15. Faculty of Medicine, University Duisburg-Essen, Essen, Germany