1. Department of Radiology Başkent University School of Medicine, Ankara, Turkey

2. Department of Radiology , Ankara University School of Medicine, Ankara, Turkey.

3. Departments of Pulmonary Diseases Karaelmas University School of Medicine, Zonguldak, Turkey

4. Departments of Radiology Karaelmas University School of Medicine, Zonguldak, Turkey

5. Department of Radiology, Ufuk University, Ankara, Turkey