1. Neurology Department, Namık Kemal University School of Medicine, Tekirdag, Turkey;
2. Public Health Department, Namık Kemal University School of Medicine, Tekirdag, Turkey;
3. Neurology Department, Edirne State Hospital, Edirne, Turkey;
4. Neurology Department, Ondokuz Mayıs University School of Medicine, Samsun, Turkey;
5. Neurology Department, Trakya University School of Medicine, Edirne, Turkey;
6. Neurology Department, Ekol Hospital, Edirne, Turkey