1. Department of Neurosurgery, Baskent University Konya Application and Research Hospital, Konya, Turkey
2. Department of Neurosurgery, Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey
3. Department of Neurosurgery, Medova Hospital, Konya, Turkey
4. Department of Neurosurgery, Afyon Park Hospital, Afyon, Turkey
5. Department of Microbiology, Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey
6. Department of Pathology, Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey.