1. Lung Transplantation Center; Turkiye Yuksek Ihtisas Education and Research Hospital; Ankara Turkey
2. Department of Pulmonary Diseases; Gazi University; Ankara Turkey
3. Interventional Pulmonology Unit; Atatürk Chest Diseases and Thoracic Surgery Education and Research Hospital; Ankara Turkey
4. Department of Biostatistics; Hacettepe University Faculty of Medicine; Ankara Turkey
5. Department of Pathology; Atatürk Chest Diseases and Thoracic Surgery Education and Research Hospital; Ankara Turkey