Ovidiu Băjenaru1, Gabriel Prada2, Florina Antochi3, Cătălin Jianu4, Cătălina Tudose5, Adina Cuciureanu6, Any A Docu7, Valérie Perrot8, Madalina Avram8, Cristina Tiu3. 1. Department of Neurology, Faculty of Medicine, University of Medicine and Pharmacy "Carol Davila", Bucharest, Romania. 2. Department of Geriatrics and Gerontology, Faculty of Medicine, University of Medicine and Pharmacy "Carol Davila", Bucharest, Romania. 3. Department of Neurology, University Emergency Hospital Bucharest, Bucharest, Romania. 4. Department of Neurology, Faculty of Medicine, University of Medicine and Pharmacy "Victor Babes", Timisoara, Romania. 5. Department of Psychiatry, Faculty of Medicine, University of Medicine and Pharmacy "Carol Davila", Bucharest, Romania. 6. Department of Neurology, Individual Medical Office, Iasi, Romania. 7. Department of Neurology, Faculty of Medicine, University of Medicine and Pharmacy "Ovidius", Constanta, Romania. 8. Medical Department, IPSEN Group, Bucharest, Romania.