1. Department of Radiology, Medical Faculty, Suleyman Demirel University, Isparta, Turkey
2. Department of Thoracic Surgery, Medical Faculty, Ataturk University, Erzurum, Turkey
3. Department of Radiology, Medical Faculty, Duzce University, Duzce, Turkey
4. Ankara Private Bayindir Hospital, Ankara, Turkey
5. Anesthesiology Clinical Research Office, Ataturk University, Erzurum, Turkey