1. Department of Neurology Mayo Clinic Rochester Minnesota USA
2. Department of Radiology College of Medicine University of Florida Gainesville Florida USA
3. Department of Neurosurgery Ankara Numune Training and Research Hospital Ankara Turkey
4. Geriatrician (PP) Silivrikapi Mh. Hisaralti Cd Istanbul Turkey
5. Department of Pathology and Laboratory Medicine Medical University of South Carolina Charleston South Carolina USA
6. Department of Neuroscience Medical University of South Carolina Charleston South Carolina USA