1. Department of Neurosurgery, Gülhane Military Medical Academy, Etlik, 06018 Ankara, Turkey
2. Department of Pharmaceutical Sciences, Gülhane Military Medical Academy, Etlik, 06018 Ankara, Turkey
3. Department of Archaeology, Gazi University, 06560 Ankara, Turkey
4. Department of Epidemiology, Gülhane Military Medical Academy, Etlik, 06018 Ankara, Turkey