1. Department of Neurology; Mersin University School of Medicine; Mersin Turkey
2. Department of Neurology; Cerrahpaşa School of Medicine; Istanbul Turkey
3. Atasehir Memorial Hospital; Istanbul Turkey
4. Department of Neurology; Bakırköy Research and Education Hospital; Istanbul Turkey
5. Department of Neurology; Istanbul Faculty of Medicine; Istanbul University; Istanbul Turkey
6. Department of Neurology; Maltepe University School of Medicine; Istanbul Turkey
7. Department of Neurology; Erenköy Research and Education Hospital; Istanbul Turkey
8. Department of Neurology; Uludağ University School of Medicine; Bursa Turkey
9. Department of Neurology; Ankara Research and Education Hospital; Aydın Turkey
10. Department of Neurology; Adnan Menderes University School of Medicine; Aydın Turkey
11. Department of Neurology; Gazi University School of Medicine; Eskişehir Turkey
12. Department of Neurology; Osmangazi University School of Medicine; Eskişehir Turkey
13. Medical Park Hospital; Ankara Turkey
14. Department of Biostatistics; Mersin University School of Medicine; Mersin Turkey