1. Department of Pediatric Infectious Disease, Gazi University School of Medicine, Ankara, Turkey
2. Department of Neurosurgery Division of Pediatric Neurosurgery, Gazi University School of Medicine, Ankara, Turkey
3. Department of Parasitology, Gaziosmanpasa University School of Medicine, Tokat, Turkey
4. Department of Pathology, Gazi University School of Medicine, Ankara, Turkey
5. Department of Microbiology Division of Medical Parasitology, Gazi University School of Medicine, Ankara, Turkey
6. Department of Microbiology, Gazi University School of Medicine, Ankara, Turkey.