1. Department of Neurology; University of Tennessee Health Science Center; Memphis Tennessee
2. Second Department of Neurology; “Attikon Hospital”; School of Medicine; University of Athens; Athens Greece
3. International Clinical Research Center; St. Anne's University Hospital in Brno; Brno Czech Republic
4. Cerevast Therapeutics, Inc.; Redmond Washington
5. Department of Neurology; University of Ioannina; Ioannina Greece
6. Department of Neurology; University of Texas-Houston Medical School; Houston Texas
7. Department of Neurology; University Clinic at Erlangen; Erlangen Germany
8. Departments of Neurology and Neurogeriatry; Johannes Wesling Clinic Minden; Minden Germany
9. Neurovascular Unit; Department of Neurology; Hospital Vall d'Hebron; Barcelona Spain