1. Department of Pediatric Surgery Medical Faculty of Ataturk University Erzurum Turkey
2. Department of Anesthesiology Medical Faculty of Ataturk University Erzurum Turkey
3. Department of Pathology Medical Faculty of Ataturk University Erzurum Turkey
4. Department of Neurosurgery Medical Faculty of Recep Tayyip Erdogan University Rize Turkey
5. Department of Histology Medical Faculty of Ataturk University Erzurum Turkey
6. Department of Neurosurgery Medical Faculty of Ataturk University Erzurum Turkey
7. Department of General Surgery Medical Faculty of Ataturk University Erzurum Turkey
8. Department of Urology Medical Faculty of Recep Tayyip Erdogan University Rize Turkey