1 Ankara University School of Medicine, Department of Neurology, Ankara, Turkey; Ankara University Brain Research Center, Ankara, Turkey. Electronic address: rezzak.yilmaz@ankara.edu.tr.
2 Ankara University School of Medicine, Ankara, Turkey.
3 Hacettepe University School of Medicine, Department of Neurology, Ankara, Turkey.
4 Ankara University School of Medicine, Department of History of Medicine and Ethics, Ankara, Turkey.
5 Ankara University School of Medicine, Department of Neurology, Ankara, Turkey; Ankara University Brain Research Center, Ankara, Turkey.