1. Department of Radiology; Ataturk University, School of Medicine; Erzurum Turkey
2. Department of Radiology; Erzurum Regional Research and Training Hospital; Erzurum Turkey
3. Department of Pathology; Ataturk University, School of Medicine; Erzurum Turkey
4. Department of Chest Diseases; Ataturk University, School of Medicine; Erzurum Turkey
5. Department of Medical Education; Ataturk University, School of Medicine; Erzurum Turkey
6. Department of General Surgery; Ataturk University, School of Medicine; Erzurum Turkey