1. Departments of Neurosurgery,
2. Plastic and Reconstructive Surgery, and
3. Deparment of Neurology, Atatürk Medical School, Erzurum, Turkey
4. Neurology, Vakif Gureba Hospital;
5. Department of Neurology, Istanbul Medical School;
6. Department of Neuroscience, Institute for Experimental Medicine, Istanbul University, Istanbul; and