1. Ministery of Health; Neurology Department; Ankara Research and Training Hospital; Ankara TR
2. Anesthesiology Algology Department; Gazi University; Ankara TR
3. Ankara Mevki Military Hospital; Ankara TR
4. Neurology Department; Fatih University Medical Faculty; Istanbul TR
5. Neurology Department; Kırıkkale University; Kırıkkale TR
6. Neurology Department; Adnan Menderes University; Aydın TR